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I have checked the CD kindly sent by you and it worked properly;
earlier there was some problem due to my computer. . just a quick not to say that the applets are a great teaching tool. also to congratulate you for developing adn making available such an excellent resource. cheers. shri sharma Although I have used your simulations for some time in physics teaching, I have only recently had access to a data projector which allows me to refer to them as I introduce topics which have LONG cried out for a dynamic representation of the relationship between variables etc. While I wrote some like a few of these in basic using the
original apples, I ran out of steam eventually. Ross Flanagan BDrufovka@wuhsms.org THANKS! The kids love them. I teach 8th grade physical science in Vermont, USA. Yours are much better quality than a lot of the demos that I have able to locate online. -Barbara ___________________________________________________________________________________ mjoyce@iinet.net.auI very much enjoyed your applets. In particualr, I found the Simple Harmonic Montion, quite hypnotic. Thnaks Matt _______________________________________________________________________________________ I I`m a physics teachear in Brazil. I loved your job. when i can make a dowloada ou your applets? I can to by. Tahank you Roberto Lucio You asked for feedback and it works fine for me.
I would also like to ask I would like permission to use ( and translate to swedish) your applets on our distance education site. I will include credit & links of your choice. Jeff Forssell (två s) <http://www.cfl.se/english/index.htm> residence: e-mail: every workday:
jeff.forssell@cfl.se <mailto:jeff.forssell@cfl.se> Personal homepage: <http://www.torget.se/users/i/iluhya/index.htm> Dear sir, -- Sir, Congrats for your work.Being a student teacher I found your work is very much suitable for students to understand many concepts clearly. Good work. Keep it up. Regards J Kurian Dear Dr: Surendranath Reddy.B My name is Luis Germán Torres Peñuela. I am a physics teacher from Colombia SouthAmerica. I teach in public schools as well as in a Center of Biophysics Research here in my small village "Cerca de Piedra" CHÍA COLOMBIA, S.A., for free, since my income comes from a personal bussiness that I own in Automatic Industrial Control. Since colombians students from public schools specially in small towns like Chía, they have very limited opportunities to use high- tech facilities, right after visiting a Web Site with your Applets, I had the idea of asking you for permission to use your Applets for teaching, and also to have them open to the students that visit my site www.chiacom.com , which is a Web Site dedicated to social service, where EVERYTHING IS FREE and we have no charge at all for any publication. The site has many tool for students related to their town (Chía), maps, history, etc., and of course to add your applets (I already downloaded them - in a way to express it - and translated the literature to spanish) would be something out of any expectancy to our visitors, students, teachers, due to the limitations that we have, including the very incipient skills tah I have in order to be able to develop such tools. Just in case you agrre, I also ask for permission to add a web page with your personal information just like the one titled "ME" where you have a short and humble description of who you are. Regards: Luis Germán Torres Peñuela. I use your very nice Physics Java Applets in my Introductory
Physics Course for students of Computer Science at the University of Karlsruhe
(Germany). the java applets on physics as found on you site are infact beautiful. Physics teaching teaching can be now more beautiful. can you help me telling few addresses so that i can buy few applets which will help teaching physics. with regards L K Patel patel@pbi.ac.in I would to congratulate you on a wonderful collection of java applets. They certainly enhance the teaching of physics. I have notice that you have a mirror site at Mount Alison University. We would like you to consider using us also as a mirror site for your applets. We have used them extensively to train teachers on the integration of technology in the class room. However, when we have large groups accessing your site(s) similtaneoulsy internet access slows down considerably.
Clifford Sampson PhD Director of the Institute of Education Technology @ Appleby Appleby College Oakville, ON Canada
Thank you very much for your applets I'm a french physics teacher and I wonder if it would be possible to use them at school with students Is there a way to dowload them for not the whole of the students are connected to internet Thank you anyway Yvon Dissez I visited your Tripod website with the Java applets on waves. It is possible to download the java applets as stand-alone files that I could run off-line in case the network in my classroom was down or your site goes down. I could pay some small amount for the usage rights. Thomas Hefner Physics Teacher Eastern Guilford High School Gibsonville, NC USA PS I sent this same messge to a differnt email address, so I am repeating this email. Wonderful programs.
I visited your Tripod website with the Java applets on waves. It is possible to download the java applets as stand-alone files that I could run off-line in case the network in my classroom was down or your site goes down. I could pay some small amount for the usage rights. Thomas Hefner Physics Teacher Eastern Guilford High School Gibsonville, NC USA I _love_ your site! Thank you for putting it up. I've told every physics and/or physical sciences teacher I know about it. Well done. Currently I am a physics of acoustics teacher at the San Francisco Conservatory of Music in the US. The students where I'm teaching don't have the tools to analyze things mathematically, so I've been working hard to help them understand things conceptually. To this end, I've hunted down and/or made numerous visual aids. The 'net has been great in this regard; there are a number of really wonderful animated gifs, as well as applets. Generally what I do is load these gifs and applets onto my laptop, so that I can bring them to show my students. Unfortunatly with yours, I cannot save the applet itself. The only way for me to access it is to be online (which I cannot do from the Conservatory) or load up while I'm online and then go to teach without turning off my laptop. This last bit is difficult, as the battery is limited, and "hibernate" doesn't seem to work so well. Is there any chance I could talk you into letting me have a copy of your Harmonics applet? Others would be good, too, but that's the one that would be most useful and appreciated. Many thanks, Betsy Marvit -- weese@bolivar.ugcs.caltech.edu Having recently gone through your website and having viewed the miondblowing java applets you have developed, it indeed amazes me as to how a person could have gained such in-depth knowledge on such abstract topics of physics and yet be so much up to date with today's world as to use self made java applets as a teaching medium. My name is Richard Thompson. Basically a citizen of the United Kingdom, I am living in Bangalore for one year as an exchange student and am studying at the International School, Bangalore. A student of Physics myself, i was wondering if i could seek some guidance from you in a few topics i find particularly uncomfortable. If your hectic schedule restraints you from sparing time for the same, though I hope that is not the case, i would be greatly obliged in receiving as little as a reply to this mail. Sincerely, Richard Thompson richard_thompson2003@yahoo.co.uk Bruce Mason suggested that I send you information about the Open Source Physics project. You can find more information on the Open Source Physics following website. http://www.opensourcephysics.org On particular, I would like to call your attention to the Java programming and curriculum development workshops next summer. The Java workshop is July 20-22 (Sunday-Tuesday) and will focus on educational software development using the Java programming language and the Open Source Physics Java code library. The curriculum development workshop is July 24-26 (Thursday-Saturday) and will focus in writing material that incorporates existing Open Source Physics programs. Workshop applications are available on our website. Please feel free to contact me if you have questions. Wolfgang Christian Brown Professor of Physics email: wochristian@davidson.edu phone: (704) 894-2322 fax: (704) 894-2894 Mail: PO Box 6926 Shipping: 209 Ridge Rd. Davidson College Davidson NC 28035-6926 I am Ajith Kumar from New Delhi, India. I am employed at
NSC , a I happened to see your science applets while searching and
find it very much with regards ajith Came across your java applet site. Would like to make use of it for my science / physics students. I teacher at Brisbane School of Distance Education where all my student are offsite, at various locations. I am having trouble finding a good java applet that explains phase change. While it is intended for my junior science students hoping to do their senior sciences (Physics and Chemistry esp.) Do you have one or are you planning on making a virtual java applet on phase changes?
Regards Günay Kayahan Science/Physics Brisbane School of Distance Education (07) 3214 8368 http://www.teachers.ash.org.au/kayahan/ email:gkayahan@brisbanesde.qld.edu.au
My students and I just found your website today and we found it to be VERY helpful. Thank you so much for all the work that you did to put it together. Sincerely, Juliann Klafehn Physics Teacher Hilton High School Hilton, NY 14468 USA I would be interested in the code of some applets for a non-public science university project. Would it be possible to obtain those codes?
Respectfully,
M. Alin Dorin DICU Im a teaching undergraduate physics students in a science
college in mumbai. i found the applets that u have developed and made available
on the net, very useful in conveying to the students, those concepts,
which are difficult for them to visualise. i'm using that regularly during the
lectures. I am Renzo Campanella, teacher of General Physics at the Faculty of Engineering of the University of Perugia, Italy. Looking for some nice physics applets in the web, I have found some on your site http://www.phy.ntnu.edu.tw/java/index.html, and I have linked them on my site. Now I would like to translate them in italian; in this case you will be credited as the author, and I will maintain a link to your site. I would like to know if this is acceptable for you and, in this case, how to do. Many thanks in advance Yours truly Renzo Campanella I am Renzo Campanella, teacher of General Physics at the Faculty of Engineering of the University of Perugia, Italy. Looking for some nice physics applets in the web, I have found some on your site (http://www.phy.ntnu.edu.tw/java/index.html), and I have linked them on my site (http://www.unipg.it/campanella). Now I would like to translate them in italian; in this case you will be credited as the author, and I will maintain a link to your site. I would like to know if this is acceptable for you and, in this case, how to do. Many thanks in advance. Yours truly Renzo Campanella
-- Prof. Renzo Campanella Università di Perugia Dipartimento di Fisica Facoltà di Ingegneria Via A. Pascoli Via Duranti 06123 Perugia - Italy 06125 Perugia - Italy Ph +39 075 585 2784 Ph +39 075 585 3839 Fax +39 075 44666 I was searching the web for an animation to illustrate that the frame of reference determines "reality," and I found your wonderful applet, http://www.schulphysik.de/suren/MoveOnDisc/MoveOnDisc.html
I have a few animations on my website that you may find interesting, although the topic is rather different – statistics. http://www.StatisticalEngineering.com/central_limit_theorem.htm
Anyway, the reason for writing is to ask a favor. I would like to use your applet and tie it to the unlikely topic of small-sample influences in estimating probabilities. I would reference you as the source, of course.
How could movement on a disc have anything to do with statistics? Consider this: After taking your measurements, you calculate the mean and standard deviation (never mind that you haven’t checked if the data should even be modeled as Gaussian) and calculate that a 0.1% future observation should be -3.09 of your calculated standard deviations from your calculated mean. Engineers (I’m an engineer) do this all the time. *Without regard to sample size.* Well, it’s wrong.
That’s because you do not know the true mean, mu, nor the true standard deviation, sigma. You are basing your perception of the world on your measurements Xbar and S. And you are doing what the observer on the rotating disc is doing when he insists the the motion on a disc has a curved trajectory. Is he wrong? Well, that depends ... on the frame of reference.
Since you can't KNOW the true mean and standard deviation, you use Xbar and S, as estimates for them. But samples from a Normal density ARE NOT THEMSELVES NORMAL, RELATIVE TO THE SAMPLE STATISTICS Xbar and S. (Of course they are Normal relative to the unknown mu and sigma, but relative to Xbar and S they have a Student's t density which depends on the degrees of freedom.) I have a simple simulation - I'll send you the code if you wish - that illustrates this.
The simulation proceeds as follows: 1. Simulate 100,000 samples of ten. 2. For each sample, calculate the sample mean and standard deviation. (The sd uses a n-1 divisor and is thus unbiased.) 3. For each sample, erroneously calculate the lower and upper bounds based on z.normal= 3.719016, which is the number of standard deviations from the mean of a standard normal density necessary to have p=0.0001. 4. Compute the fraction of the known standard normal density that would fall below the sample's lower bound, and above the sample's upper bound, and record these for each sample. 5. Then average the results, showing the average fraction below/above the sample's limits. In this example the actual fraction failing is 0.0031. 6. Compute the ratio of this to the fraction expected from the normal, i.e. p=0.0001. 7. Compute the theoretical value for this ratio based on Student's t and Normal z, 31X in this case, where p=10-4. If p=10-7 the failure rate would have been underestimated by nearly 4000X. (That's a factor of 4000, not 4000%). These are not negligible errors.
Boy! What a wind-bag I am!
Anyway, here’s the request: May I have the code for your applet? (I’m not a JAVA code-writer.) I am giving a talk in a few weeks and would like to show your applet on my laptop, but will not have internet access. I will understand if you do not want to share your code, but would be very appreciative if you would share it with me.
Thanks. And thanks for a great webpage!
Charles Annis, P.E. As a Secondary School physics teacher, I use your applets from time to time in my classes. I find there are excellent; simple to use but comprehensive and flexible. Thankyou very much. Should you be looking for suggestions for future subjects I might suggest Thompson's e/m experiment. Robert Gemmell Earl of March Secondary School Ottawa, Ontario Canada Robert_Gemmell@ocdsb.edu.on.ca I mean more precisely the java applet: Central Forces -1 http://surendranath.tripod.com/Apps.html
thanks Francois Swinkels I've very much enjoyed some of your wave motion applets for my high school physics class. Is it possible to get (or purchase) the applets on disk or CD so I don't have to have a live web connection in the classroom? I tried to use them today, but couldn't because of our schools web connection problems. I'd be interested in compiling a CD of many of these applets, for physics teachers in general. There are lots of applets on the web, but being on the web requires a live web connection, which is often a problem in the classroom. Sincerely, John Childs Grenville Christian College Brockville, ON, Canada I am a teacher in mathematics and physics and have a great interest in strophysics. I saw your applet about central force on the site: http://surendranath.tripod.com/index.html Please can you give me the applet about central force for educational porposes It is then possible te let experience the students with this applet. thanks Francois Swinkels, teacher on Carolus Borromeus college Helmond Netherlands My E-mail is: Greetings! I like your applets and would like to use them. I am a Professor of Physics at the Univesity of Wisconsin and teach am undergrad course called Physics in the ARts for liberal arts students. I do not want to use your work without permission and without giving proper credit. I would use the applets for such things as simple harmonic motion, transverse and longi waves and harmoics. I would have three different options, depending on your permission: 1) use the applets only in lecture with video projector 2) cut and paste freezed frames for my lecture notes with I plan to give to the students on CD or, best of all, if you permit: 3) copy applets into CD's given to each student. Please let me know what the proper procedure is to avoid copyright infringement - but even if not copyright protected I want to be fair and acknowledge you work by name (please give me the proper way to refer to you as author of the applet) keep up the good works!! willy haeberli Hello there, I am producing an educational website and would love to place some of your applets on my site. If you are uncomfortable with this idea, I would like to link my site with your’s so young students would have an opportunity to interact with your applets. I think they are really helpful for the visual learner. I see so much potential in letting students interact with different parameters to see and understand the variables with in a physical system. Thanks for all your work. The site I am building is going to be vast, when it is up and running, and having access to your inventive applets would add a great deal to the interest of the site. Please let me know how you feel about this idea. If I can put them on my site I will give you full credit and will place a link on my site to yours. Thanks for your attention. Talk to you later! Jeff Hybarger/ Asst. Principal Las Vegas Nevada My name is Jeff Hybarger and I am presently developing an educational website for students from 3-12th grade. I came across your compelling site and was fascinated by the applets that you are using. I am interested in either linking to your site for learning purposes or, with you permission, obtaining (or downloading) some of you applets to reproduce them on my site. For example, you have an applet that shows molecular movement. I would like to produce a page that talks about this idea with kids, however the applet is what would make the concept most interesting. The fact that students can interact and make changes to the molecular model is very cool. Let me know what options you suggest or prefer I use. Thank you for your time. Jeff Hybarger/ Las Vegas NV I've enjoyed using your Forced Oscillation applet to teach my students about SHM, damping and forced oscillations in class. It is a very good demonstration of the concept to the students.
If you can increase the damping factor a bit higher so that critical damping and overdamping conditions can also be seen, it will be perfect.
Thank you for your hard work and sharing.
Hugs, Joseph Yuen I have seen you aplets and i like them very much, is it possible
to have them on our local schoolsite too??? rus@walburgcollege. I would like to ask your permission to use the applets you have on your web site. At present, i need the SHM, forced and damped oscillations applets. however, since there is no internet conection in our classroom where i intend to use it, i would like to ask if you could give me either the source file or a code that i could run offline. I would like to use them so my students can visualize the idea of our topic. I am a junior instructor teaching general physics (mechanics and waves) to freshmen students here in the university of the Philippines. Thank you and i hope for your favorable response. -- ================================== Raffy Delica National Institute of Physics University of the Philippines Diliman, Quezon City Tel. +632 434-4224 Fax. +632 920-5474 Most of your aplets are great! I have had fun testing them. I am going to use many during my lectures for students (if you don't mind :-)). One comment about the Roll aplet: changing the linear to angular velocity ratio is somewhat unphysical (sliding?). It would be better to change the observed point distance from the circle center with same effects. Regards, Leszek LOVE THEM !!! Hello. My name is David and I am currently enrolled in a physics class at University of California Riverside. I have found your site to be very commendable. My professor has shown us students a few of your applets. They been a helpful tool in exemplifying the physics principles shown in them. Thank you for what you have contributed to my learning experience.
If for any reason you may wish to reply to this a-mail, you may do so at chrono18_@hotmail.com I am an undergraduate student at Rutgers University, and I noticed your Applet programs on surendranath.tripod.com/Applets.html, in particular your Roll and Slip Roll Applets. I am doing a senior design project that entails translational and rotational motion of a golf ball during putting, and I noticed that your Roll Applet can show the path of a point, but your Slip Roll Applet does not. Would it be possible if you could send me the sources of these two Applets so I could add the path of a point to the Slip Roll Applet? If I use these Applets for my senior design project I will add your name as the creator of these Applets.
Thanks for your help, Nick Freitag Hi Mr.Surendra, Was very glad to see the refraction through prism. Keep up the good job Your's truly, Kunal Iam a year 12 Physics teacher in victoria Australia. Your Physics demonstrations are very good. Is there a way i can download them to my computer to use as a class demonstration? Hope to hear from you.
Regards Phillip Carmody i am ver much impressed with your applets and is it possible to have some of your applets on our website: http://www.walburgcollege.nl/ntnujava/index.html or to have them on our netwerk in school. My adress is rus@walburgcollege.nl The Physics Applets are great! Congratulations! Is it possible for me to download and distribute them for use by my students? I have previously used the Optics Bench Applet by Wolfgang Christian from Davidson, but have not been able to use the java files. Thankyou, Marcia Miss Marcia J Kewley Science Teacher John Paul College Daisy Hill, Qld, 4127 AUSTRALIA Ph: (07) 3826 3333 ext:221 My name is Gherman Lucia and I am a physics teacher from a Romania high school. I found your site with your virtual experiments. All are very interesting and I would like to use them in my class. I don’t have a permanent connection at the Internet, so I would like to use them offline but I don’t know how to do that. Please send me an e-mail at gherman_lucia@yahoo.com and tell me if exist any possibility. If not, please send me the source codes of the applets. I look forward to hearing from you. With many thanks Gherman Lucia My name is Paul Malpass
I think that your Physics Applet Models are GREAT
I am Head of Science at Nelson and Colne College,Scotland Rd. Nelson,Lancashire, England.
We have about 50 students taking A-level physics and I know that they think a lot of your work, they are great learning instruments.
Do you sell your applets on CD.
We will BUY it if you do.
Please send details and costs.
Keep up the good work, if ever you come to England I'd like to meet you.
I was recently asked to speak at Peterhouse College, Cambridge about Physics A-level in England, you got a mention!
Very best wishes
Paul Malpass Physics teacher C.Phys., M.Inst.P., B.Sc.,Cert.Ed. Principal Moderator OCNW Assistant Examiner EDEXCEL Member Inst. of Physics National Education Committee I have been impressed by your Virtual Physics Laboratory project. I am currently involved in developing a site for matriculation examinations in Physics for ORT network of schools in Israel. http://www.ort.org.il/en/ The site will include many simulations and exercises using the advantages of the Internet environment. ORT network include 70 high schools and thousands of teachers and students. I believe that incorporating your Java applets into the site would be very helpful for the students. I would like to examine the possibility to use your materials as a mirror or another way of cooperation and connectivity. All the credits will be given to you or your institution. Our added value will be to design and develop student activities in Hebrew around these applets and we will be happy to send them to you translated to English. All the best Yours Sincerely, Joel Rothschild Head of Science and Technology Project ORT Israel POB 25203 Tel Aviv, Israel 61251 ...972 3 6301330, yoelrot@ort.org.il I am also a physics teacher in Malacca, Malaysia. I teach in a chinese private high school. I have look through you javaapplets, I am very happy that they are what I am looking for a long period, especially those for physical optics, its wonderful. May I have a copy of them, this will helpful to my teaching. Thank you so much. your sincerely, TAGoh from Malaysia. 26 - 01 - 2002 I have found the applets you have made on the web and they are so interessant for me that I would like to know weather it is possible to dowload some of them ? Sorry for my english which is rather poor. I am a physics teacher too but for younger students than you... I will be a pleasure to have yout answer : Philippe Le Guerroué (France) philippe.le-guerroue@wanadoo.fr The MERLOT Physics Editorial Panel has posted peer reviews of educational content authored by you: Some General Physics Java Applets, http://surendranath.tripod.com/Applets.html
Only the best MERLOT material is chosen for review. We wish to acknowledge your contribution to teaching and learning, and to the scholarship of teaching in Physics. The MERLOT Administration Team will send an acknowledgement letter to you and to two other individuals that you designate. Please reply to this letter to send the following information for yourself and for your two designees: Name and title (as it should appear on the letter). Complete institutional mailing address. Thank you very much for your participation in the MERLOT Project, and congratulations for the recognition of your fine work. Please do not hesitate to contact me if you have questions. Sincerely, Chuck Dr. Charles A. Bennett Professor of Physics UNC Asheville (828)251-6047 I have mirrored your applets on http://www.accessed.qld.edu.au/home/mirror/suren/Index.html as agreed.
We make contact with the students next week to start the year - I think I am organised! Looking forward to it.
Many thanks again
Regards
david.graham@accessed.qld.edu.au yes, your notes helped me to understand how this 3D works with java "mathematicly", thank you !! But how can I tell java that you can click on the figure anywhere and then it changes the coordinates ? How can I change the color by changing a parameter (for example in your applet with youngs double slit experiment) ? cheers and thank you for the help !! Marcel I would like to show to some of my students some of your JAVA
APPLETS, but my computer cannot be connected to the web there. Could you send me
a version of this files that I can use without being connected to the internet ?
That would be wonderful, As part of our non-profit educational outreach program, we would like to promote the use of Information Technology more actively among the school teachers in Singapore. We have recently searched through the web sites and we have found that your Java applets are extremely interesting. Moreover, we also believe that your applets would help our teachers greatly in their teaching. We would therefore like to seek your kind permission to use your applets for these educational activities that include a link from our web pages to our applets and the downloading of your source files for the applets to a Cdrom for distribution to the teachers. Naturally, we will include a clause in the Cdrom stating that the resources are meant strictly for pedagogical purposes and should not in anyway be used for commercial purposes without the explicit approval of the authors whose contact address will be included in a text file for information. We look forward to your favorable reply.
Regards Web Resource and Facilitator Chen Lai Keat (Dr) Deputy Head (Physics) Natural Sciences National Institute of Education Nanyang Technological University Singapore The Cornelsen Verlag is one of the leading publishers of educational materials in Germany. In order to complement our schoolbooks, we would like to make additional information available on the Internet for pupils aged between 13 and 17. We hope that this will make Chemistry and Physics more accessible for them and increase their enthusiasm for these subjects. This material would be for non-commercial use only. In the Internet we found the applet river and boat which we would like to use as part of the free additional materials we intend to make available on the Internet. The applet would be accompanied by text in German. We would be grateful if you would allow us to use the applet in the context described. Thank you in advance for your help. Sincerely yours Cornelsen Verlag Redaktion Naturwissenschaften Christa Greger Mecklenburgische Str. 53 14197 Berlin Tel. 030-897 85 149 Fax 030-897 85 731 I´m a student of mr. krahmer (he has a mirror of your page at www.schulphysik.de/suren/). For some weeks I write an applet with raytracing and lenses. These applets are 2D, what have you done to make this 3D-applet with youngs double slit experiment ? By the way, I think your applets are really good - I´ve never seen an applet with this experiment in the web so far ! cheers Marcel Schmittfull Your physics applets are very clever. The latitude/longitude demo was especially good, as was the use of color in Young's double slit applet. Thank you for your hard work.
I would like to use your cross product applet in an online Multivariable textbook I am developing. The textbook is not for profit, and will be made available to the public at no charge. Your name will be displayed immediately below each applet, as will any other information you want to have associated with your work.
This textbook is an outgrowth of an NSF grant I completed a year ago. However, I am developing this book solely out of a desire to enhance student learning (in particular, my own students' learning).
I hope to have most of the textbook placed on the internet within the next two weeks, as I will be using it as a supplement for the Multivariable course I will be teaching in the Spring. As soon as I have placed the material on the web, I will send the URL so that you can see the result for yourself.
Thank you,
Jeff Knisley Assistant Professor, Mathematics East Tennessee State University Thank you for posting the applet sites of transverse and longitudinal waves. I have used "Slinkies" to show my fifth and sixth grade classes the characteristics of waves, but it will be a real advantage to supplement those springs with your graphics. (Our school has just purchased a digital projector, and I am delighted to find how useful it is becoming!)
Sincerely,
Mrs. Sheryl Melvin Mariemont Elementary School 6750 Wooster Pike Cincinnati, OH 45227 dear iwas lucky to catch your site iam proud of it it give too much to me and to my students may god pless you for your efforts it is acontinuous goodness you make your brother teacher of physics mahmood As part of our non-profit educational outreach program, we would like to promote the use of Information Technology more actively among the school teachers in Singapore. We have recently searched through the web sites and we have found that your Java applets are extremely interesting. Moreover, we also believe that your applets would help our teachers greatly in their teaching. We would therefore like to seek your kind permission to use your applets for these educational activities that include a link from our web pages to our applets and the downloading of your source files for the applets to a Cdrom for distribution to the teachers. Naturally, we will include a clause in the Cdrom stating that the resources are meant strictly for pedagogical purposes and should not I anyway be used for commercial purposes without the explicit approval of the authors whose contact address will be included in a text file for information. We look forward to your favorable reply.
Regards Web Resource and Facilitator Chen Lai Keat (Dr) Deputy Head (Physics) Natural Sciences National Institute of Education Nanyang Technological University Singapore I'm a high school physics teacher in New York, USA, and greatly enjoyed your applets. I was wondering if I might download the applets themselves to use offline in my classroom since my class machines are not networked or connected to the Internet? It would be a great supplement to the course, and I have worked this out with some other authors in the past. All author attributions would be included on the machines. I have placed your name in the Directory as you indicated. Is everything else about the Directory entry satisfactory? I think very highly of your website, and have used it as the foundation of a "Physics Applets" category in the "Science Showcase" section of my website. As you can see, my website is growing only very slowly. I have not spent much time on it, and I want to have everything there be references of the very finest quality. Best wishes, Larry Many many thanks for sharing your work. It is excellent. I have used it several times with my classes over the last two weeks. You have made a great difference to some physics classes in England. I have always felt it is so important that teachers share their resources so thank you once again for doing so. D Farley, Head of Physics Deanery High School, Wigan, England
Thank you for your offer which we will gladly take up.
We are making changes to our servers and we will place it on a subdirectory of www.accessed.qld.edu.au/home/mirror/.... (please note that this site does not exist at the moment)
Do you have a preference for a subdirectory name? I note that your mirror at Mount Allison University uses "sb_reddy" - will that do?
Do you supply the means to mirror the site (zip file or CD etc.) ?
Thank you
Regards Dave Dave Graham Virtual Schooling Service I enjoyed your Physics Applets and thought they would be of great value to use in the classroom. Are they available? Is there a cost? I have tried to download them and can see other applets on other school webpages but I can't work out how to do it? Can you help? Thankyou, Marcia. Miss Marcia J Kewley Science Teacher John Paul College Daisy Hill, Qld, 4127 Ph: (07) 3826 3333 ext:221 I followed a link to your Applet site from physlrn listserve. I think they are great! I have not learned to make Applets yet, although I want to learn. In the meantime, may I link to your Applets on my page so that my students may benefit from the animations? Thank you, Rich Schrader physics teacher, Walter Panas H.S. Westchester, NY love your web site! I use it all the time in my 10th grade physical science class. I use PowerPoint to lecture with so I build in links to the applet I want to use. It's great! You site helps me explain concepts that are sometimes are hard to describe with words. Keep up the good work.
Bo Shaw Thank you for your generous offer. I am positive that my students will benefit a great deal and understand certain physics concepts much better as a result of their interaction with some of these applets. Thank you again and have a good day! Tony Antonopoulos
I was wondering whether it was possible for you to send the source code for the applet on Kepler. Our physics department think that it is a really great resource and would like to use it to show some students, without needing a connection to the web. Is this possible? Regards Warwick Noble Just a note to let you know how impressed I am with the physics applets you have developed. They are of course excellent tools in helping one understand key concepts related to physics. I am presently teaching two high school physics courses on line and I would like to ask your permission to utilize some of these applets as a teaching tool in these courses. Students would find these illusrations extremely useful as they would be able to visualize and in turn be able to gain a better understanding of the key concepts they are studying . I have createed some flash files related to the formation of images by mirrors and lenses which I am willing to share if you are interested. Thanks for your attention and I look forward to your response. Tony Antonopoulos Physics Instructor Saskatoon Catholic Cyber School The Virtual Schooling Service delivers full course instruction in a number of subjects to students (non fee paying state school students) throughout the State of Queensland. The students are located in schools where the enrolment in the subject is low or the school has difficulty providing a qualified teacher in the subject. Schools involved are mostly in remote regions although some are in metropolitan areas. Delivery is twice weekly via synchronous voice/data connections where whiteboards and files are shared. Other student resources are placed on the State-wide Intranet for students to access in their other allocated school times. In 2002 we will trial the delivery of Physics to an expected 20-40 students in 10-20 schools. Practical work is of course the more difficult aspect of this subject via this mode and a range of techniques will be used from student "hands on" to simulations, movies, calculator based electronics. Whatever is available and usable will be tried. We are impressed with your applets on your web site and will certainly be directing students to view them. However, all too often we have bandwidth problems with delivery and students have access difficulties and limits and we wish to ask your permission to use the applets in a more secure (for us) method. I list below a range of possibilities for your consideration on the understanding that we do not intend to profit from the use of the applets and that we will abide by whatever you decide. 1. Place the applets (with full acknowledgment of the copyright) on a CD and mail out to our students in advance of the lessons. 2. Incorporate the applets one by one into the appropriate sections of our course on the State-wide (secure) Intranet 3. Mirror your site on the State-wide Intranet 4. Mirror your site on the www. We would be grateful if you would indicate if any or all of the above models are acceptable to you and under what conditions. Regards Dave Graham Virtual Schooling Service I am a high school physics teacher at Rocklin High School in Rocklin, CA, USA. I was wondering whether I could bother you for a zip file of your applets. I would use them only for my classes and would surely credit your work and create a link to your site if you'd like. Thank you very much, Geoffrey Clarion Below you can find the URL of our "mirror-site" to your applets.
http://www.fys.kuleuven.ac.be/pradem/applets/suren/Applets.html Best regards, tony.verheyden@fys.kuleuven.ac.be ou have been very kind in sharing information. I will continue to work with the information you provided to complete my project. Specifically, I am trying to calculate the radiation dose to our patients who undergo cardiac catheterization procedures. The patient lies on their back. The x-rays come from below the table at various angles. I have to calculate the distance from the source of x-rays to the entrance of the patient skin surface. Part of the problem involves the fact that the table can move longitudinally, laterally and vertically and the x-ray tube can rotate in both the y-z plane and the x-z plane . Anyway, I need to work with the problem. Please let me know if you have any ideas.
Best wishes to you and your family.
Sincerely
E. Giles Eddie R. Giles, MS, DABR hat would be fine for us. Best regards, Surendranath schreef: Hello! I could send you a
zipped file and you could have these applets located on your server for easy
access. By the way is be in the webadtess short for Belgium. regards, Surendranath.
B. Surendranath Reddy. B. -- tony.verheyden@fys.kuleuven.ac.be Great job on your general physics java applets website. It has been several years since I have worked with upper level math. I am very interested in the equations used to create your example of a varying point in polar coordinates. Would you be so kind as to send me a straightforward reference, or the equations used? I am not really interested in the java aspect of things, but more on the math/geometry. I am working on a project at work which requires me to be able to localize points along a sphere. Thank you for your consideration into this matter. Sincerely, E. Giles
We use your applets in our auditoria and classrooms but
sometimes we have problems to download them from your site or other sites. Yours sincerely, tony.verheyden@fys.kuleuven.ac.be
Greeting from New Zealand Thanks for sending the new file. I have forwarded it to Darren
to do the necessary replacement. Dear Mr. Varma, Thank you for bringing the updates of your Java applets to our
attention. Please do send the file and we shall update the site. We appreciate
your doing this work and sharing it with the physics community. Hello!
--------------------------------------------------------------------------------- Thank you so very much! helen Please feel free to place the link in your webpages. I have seen your physics APPLETS.It is hectic for understanding ideas.I'm using DYNAMIC AND KINAMATIC CONCEPTS.I am preparing for GATE-exam to join M.Tech in IISC. Your animation life of physics is very wounderful. Could you please send APTITUDE TEST QUESTION from dynamics. thank you very much from krishnamoorthy esco bangalore Please allow me to introduce myself. I am an Associate Professor
of Science Education from East Carolina University in North Carolina. I am
designing FREE web materials for teachers around the world to assist them in
understanding waves. The modules will be displayed for free global access on
Cisco Learning Institute's web site
www.ciscolearning.org. CLI is a non
profit whose mission is improving the way people teach and learn. I am teacher and researcher, and I am working in a research group, in Passo Fundo University, UPF - RS, Brazil, with Virtual Laboratories in the Internet. We've accessed your experiments in the web and we found them very interesting, mainly because they are very realistic and interactive. We'd like to insert them in an environment of constructive learning that we are building, to be used in teaching of Physics. This environment has for purpose to allow the students to accomplish non-possible real laboratory experiments. It will count with a series of other resources (reading material, discussion forums, extra activities, exercises, etc.), in order to increase the effectiveness of learning of the students. Therefore, we'd like to know your possibility to supply us the sources of the experiments below, and, in compensation, we intend to maintain its copyrights, and also share our research results to you, when it is ended. --> Charged Particle in Electric & Magnetic Fields
Thank you for the understanding and attention! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marco A. S. Trentin Universidade de Passo Fundo - RS Fone : +55 (0)54 316-8354 http://vitoria.upf.tche.br/~trentin ===> Chave Publica PGP disponivel em http://pgpkeys.upf.tche.br/form.html Greetings!!! I am Rhea Castillo. I am a Computer Science student of the University of the Philippines. I just came across with your some applets in Physics. I will be making a project about electric field of charges where the user could ask for the number charges and place them in particular area in the applet. Is it okey with you if I could ask for the java code of the electric field applet as my guide? I would really help me a lot. Thank you very much! Yours truly, Rhea Castillo Re:Linking of Webpage
I would like to do a link from my webpage to your webpage. I hope you are able to allow me to do so because I need your applets for my physics project.
Thank You.
Yours Sincerely, Siti Marsitah Mohamed. Your site for physics java applets is very attractive. Is it possible to get downloading for these applets ? Regards. Prof. Omar Youssef Thank you for your response. We expect to begin work with applets in approximately two months. I will contact you again at this time.
Regards,
Mark -----Original Message----- Dear Mr.Mark Shahidi,
Sorry for the delayed response.
I have no objection to my applets being included in the encyclopedia. Please let me know furthur details.
Surendranath. B.
Surendranath Reddy. B. ----- Original Message ----- From: Shahidi, Mark To: 'Surendranath' Sent: Friday, July 06, 2001 9:27 PM Subject: RE: Applets Hello Surendranath,
I took a closer look at number of your applets and found some that would be appropriate for our site. As you can imagine, we have an enormous amount of information on our site in the form of animations, illustrations, other graphics, as well as our traditional text. In most cases, we do not purchase rights of work, but rather work out a modest exchange with the author retaining full rights of his or her work to do as they please.
What we offer creators of specialized new media such as yourself, in exchange for use of your content, is that you will retain full rights to your work, we will give you on-screen credit as the author, and we will provide you with a Encyclopedia Britannica 2001 CD ROM or DVD.
We are interested in a number of your physics applets, and it is an opportunity for your work to be seen by a world-wide audience.
Let me know if this an agreeable arrangement and I will let you know specifically which applets we would like to use.
Regards,
Mark Shahidi -----Original Message----- Hello!
I would be interested in having the collection displayed in your site. Please let me know about the various options.
Surendranath. B.
Surendranath Reddy. B. ----- Original Message ----- From: Shahidi, Mark To: 'surendranath@tatanova.com' Sent: Saturday, June 02, 2001 1:47 AM
Hello, We are currently seeking authors of creative and educationally useful interactive applets/simulations to offer them the opportunity to showcase their work through our upcoming k-12 education site. We are not currently seeking to purchase ownership rights of work. We currently have numerous arrangments with others, and are open to various licensing scenarios. If you are interested in having your work displayed as a part of Encyclopedia Britannica's education offering please reply to this email address. Mark Shahidi Congratulations on a beautiful set of visual demonstrations.
Robert Sirko Hi, my name is Jongilanga Guma. I dropped my course in Mechanical Engineering because I was much interested in Computers. Now when I say your applets, I was so hurt because of the great engineering things that an applets can do. Can you please send me the source of those applets I promise to "Reference" to you if you think I can still them. Cheers jongi I was looking at their internet page, and this very good one, and the applets is really very well developed, this message is to see if it exists the possibility that you will facilitate me the code source of the applets, to mount them in Spanish in the page of internet of the Technological University of Pereira, in Colombia... Waiting their answer Víctor Quintero We are one of the leading secondary textbook publishers in Hong Kong. Besides traditional print media like coursebooks, teachers' guides, workbooks and wall charts, we also publish quite a lot of complimentary multi-media products like CD-ROM and web-supporting materials for teachers and students.
We found that some java applets on
http://surendranath.tripod.com/Applets.html
As the adapted materials will mostly be used on a free basis, please kindly grant us a free permission. We shall provide links to the original site and make proper acknowledgement.
If you have any queries, please feel free to contact me.
Best wishes,
Sara Manhattan Press (HK) Ltd sarawong@manhattanpress.com.hk We are a publisher of college level multimedia texts and would like to provide a link to your site (General Physice Java Applets) on our Physics resource page. Please let me know if this is possible or if you need any additional information. Thank you for your time, Mary Maltbie Permissions Editor Thinkwell Your site is very useful! If you are interested in collecting more java simulators that implement various physics tasks - then I'd like to suggest you my pages: Supersonic wing simulator http://odin.prohosting.com/~evgenik1/wing.htm 3 degree-of-freedom pendulum simulator http://odin.prohosting.com/~evgenik1/pend3.htm and many others... Sincerely yours. Evgeni Kudriavitski spyder@edunet.ru http://odin.prohosting.com/~evgenik1/ I took a closer look at number of your applets and found some that would be appropriate for our site. As you can imagine, we have an enormous amount of information on our site in the form of animations, illustrations, other graphics, as well as our traditional text. In most cases, we do not purchase rights of work, but rather work out a modest exchange with the author retaining full rights of his or her work to do as they please.
What we offer creators of specialized new media such as yourself, in exchange for use of your content, is that you will retain full rights to your work, we will give you on-screen credit as the author, and we will provide you with a Encyclopedia Britannica 2001 CD ROM or DVD.
We are interested in a number of your physics applets, and it is an opportunity for your work to be seen by a world-wide audience.
Let me know if this an agreeable arrangement and I will let you know specifically which applets we would like to use.
Regards,
Mark Shahidi The authors of the website Netprof – Portuguese teachers club - are interested in some of the interactive applications on your website (http://members.nbci.com/surendranath/Applets.html) Netprof <http://www.netprof.pt/>http://www.netprof.pt is a Portuguese non-profitable website that provides support for teachers in most areas of knowledge. We would like to use some of your java applets in the physics section of our website. We would give you credit for the applets and would be glad to link your site to ours. We thank you for your attention and look forward your answer. Regards, Congratulations on your marvelous applets and web site.
I write in my capacity as Physics Coordinator at Melbourne High School Australia. We are an academically orientated senior public school in Melbourne, Victoria, Australia
I am planning a new web site for our Physics students and ask a favour of you.
I seek your permission to place some of your applets on our new web site along with appropriate credits and links to your site. ( any applets placed on our web site would be in a password protected area of the new site -allowing access to our Physics students only - about 300 students )
I look forward to hearing from you.
Yours Sincerely Ian Denver Physics Coordinator Melbourne High School Australia. Your forced oscillations applet is beautiful. Now you only need
to add a way to change the initial position and velocity, so that students can
see how the transient "dies" in the presence of damping and how the long-term
motion is the same regardless of the initial conditions. Please try this link. The list here is not up to date. I will
get to work on -- I was referred to your website as containing some of the best
applets around. Unfortunately, I can't access it using IE 5.0 running on Mac OS
9.1 Your Applet Menu drops a menu which disappears almost instantaneously, so
that I have no time to click on anything. -- just learn we had soem mail failures a few days agao, so I am not sure you have received my reply to this message. In cvase you have not, let me tell you taht we are willing to be a mirror for your animations.
Hence you could send the required files to my address jbrenes@cariari.ucr.ac.cr
I will pick them up and give the *.zip file to our webmaster
Thansk very much for your kind offer
Bests
José Brenes Dear Sir I will be honoured if our server is used as a mirror. If you send me a *.zip I could talk with my director to allow me use the server as a mirror. Let me warn you that our server is only a few months old, and we are just learning on how to use it. I could also pick up some of your animations and include them in some web pages I am creating. I will write Your name as the author of the animation A description on how to use A description on how to apply them to Physics. For instance I have already written a page on Snell law, that uses a JAVA animation send to me from Germany, which generates several questions. In turn, I send the reader to another animation (from Korea) which presents another aspect of Snell law (how a fish will look at an object fro down under) As you can see, as a not very developed country we have to tackle several needs that may be particular to our environment. Thanks again for your offer. Please send the *.zip to this address. Bests regards Jose Brenes > Thank you! > > You could link your webpage to the applet site, or if you wish to mirror the webpages I could send you the required files. > > regards > Surendranath. B. > > Surendranath Reddy. B. > http://surendranath.tripod.com > http://members.nbci.com/Surendranath > > ----- Original Message ----- > From: Jose Brenes > To: surendranath@tatanova.com > Cc: Jose Brenes > Sent: Thursday, May 17, 2001 10:29 PM > Subject: CONGRATULATIONS > > > Dear Dr Surendranath: > > Congratulations for your wonderful job. > > I am writting to you as a Physicist from an underdeveloped country, who is developing a web page to promote and improve the teaching of Physics. > > The page would have a section where the solution of several of the standard problems (Bueche, Resnick, Tippens, and what have you) is shown. Work is just starting, but I have about a ten of enthusiastic students working on them in their free time. > > It stroke me that my solutions would be very static, and have though of setting up a link to your pages so that the student could read your applets, and experiment with them. The speed connection to the outside world for many would be so low that the attempt would be doom to failure UNLESS: > > you allow me to include your applets in pages I would write, as a help, giving some guides as to how to use them, and giving them some clues as to which numbers to put, or else what to look for. Of course, experimentation is a much better teacher. > > If your applets (at least some of them) are placed in our local sever, speed of connection would be fast enough for students to try them out. > > WOULD YOU BE KIND ENOUGH AND TELL ME HOW YOUR NAME AND CREDITS ARE TO BE SET IN THIS WEB PAGES? > > In the name of Physics once again let me congratulate you for such a well thouhgt up set of applets. > > Bests regards > > Jos� Brenes > Dear Sir I will be honoured if our server is used as a mirror. If you send me a *.zip I could talk with my director to allow me use the server as a mirror. Let me warn you that our server is only a few months old, and we are just learning on how to use it. I could also pick up some of your animations and include them in some web pages I am creating. I will write Your name as the author of the animation A description on how to use A description on how to apply them to Physics. For instance I have already written a page on Snell law, that uses a JAVA animation send to me from Germany, which generates several questions. In turn, I send the reader to another animation (from Korea) which presents another aspect of Snell law (how a fish will look at an object fro down under) As you can see, as a not very developed country we have to tackle several needs that may be particular to our environment. Thanks again for your offer. Please send the *.zip to this address. Bests regards Jose Brenes > Thank you! > > You could link your webpage to the applet site, or if you wish to mirror the webpages I could send you the required files. > > regards > Surendranath. B. > > Surendranath Reddy. B. > http://surendranath.tripod.com > http://members.nbci.com/Surendranath > > ----- Original Message ----- > From: Jose Brenes > To: surendranath@tatanova.com > Cc: Jose Brenes > Sent: Thursday, May 17, 2001 10:29 PM > Subject: CONGRATULATIONS > > > Dear Dr Surendranath: > > Congratulations for your wonderful job. > > I am writting to you as a Physicist from an underdeveloped country, who is developing a web page to promote and improve the teaching of Physics. > > The page would have a section where the solution of several of the standard problems (Bueche, Resnick, Tippens, and what have you) is shown. Work is just starting, but I have about a ten of enthusiastic students working on them in their free time. > > It stroke me that my solutions would be very static, and have though of setting up a link to your pages so that the student could read your applets, and experiment with them. The speed connection to the outside world for many would be so low that the attempt would be doom to failure UNLESS: > > you allow me to include your applets in pages I would write, as a help, giving some guides as to how to use them, and giving them some clues as to which numbers to put, or else what to look for. Of course, experimentation is a much better teacher. > > If your applets (at least some of them) are placed in our local sever, speed of connection would be fast enough for students to try them out. > > WOULD YOU BE KIND ENOUGH AND TELL ME HOW YOUR NAME AND CREDITS ARE TO BE SET IN THIS WEB PAGES? > > In the name of Physics once again let me congratulate you for such a well thouhgt up set of applets. > > Bests regards > > Jos� Brenes Thank you very much for your response. The reviews will be posted shortly. I'm glad you find them useful, and I hope they will give you some ideas when you have time to work on the applets.
Thank you again, Bruce -----Original Message----- I am sorry for the delayed response. You could post the review as written. I would have loved to act on some of the remarks and make some modifications, but I am really hard pressed for time. I will inform you when I get to do that.
warm regards
Surendranath. B.
Surendranath Reddy. B. ----- Original Message ----- From: Mason, Bruce A To: 'Surendranath' Cc: 'bmason@ou.edu' ; 'bennett@unca.edu' Sent: Friday, June 01, 2001 10:23 AM Subject: MERLOT/Physics Review, Dynamics Dear Surendranath, maso4326@msmailhub.oulan.ou.edu Wow. Your applets are pretty good. They help to visualise basic physical effects. By the way, do you have applets about black holes?
Thank you Pia Your Applets are superb!!! They can indeed be used in the class, as I have done so myself with a computer projector. They demonstrate principles extremely well in a manner that pupils can SEE.
I would like to thank you for putting them on the web for all to use free of charge. I am sure many pupils world wide will also appreciate your efforts.
THANK YOU
Mark Andrews (NOT Grazza_Jones!)
(I am using the computer of a friend since I do not have my own) Hello. I work in the engineering distance education office at Iowa State University in the US. A professor here is looking for a way to graphically demonstrate some basic physical principles. Your Java applets look like they would work very well in this regard. Do you have restrictions on their use? Our purpose is purely educational. Thank you, Joe Monahan Engineering Distance Education Iowa State University Ames, IA USA Yes I did write to you before requesting your applets on waves. I am interested in the applets on kinematics, dynamics, and electricity. I hate to bother you but there seems to be no way of downloading all the files needed by each applet. Perhaps you could package them in a zip file according to topic. Our school year is nearly finished, so there is no rush for the applets right now. However, they seem to be excellent for demonstrating the specific topic for which each was designed. Keep up the good work! Steven Surendranath wrote: > > Hello, > > I think I have heard from you before. The applet file would be too large. > Let me see if I can organise what you need. It would be easy on me if you > mentioned the particular applets you need. > > Surendranath. B. > > Surendranath Reddy. B. > http://surendranath.tripod.com > http://members.nbci.com/Surendranath > > > Hi Surendranth, > > I am a Physics teacher in Winnipeg, Canada. I came across your applets > > and I am very impressed. I cannot access the internet with my classes. > > I do have one mobile computer on which I can demonstrate these applets. > > I was wondering if you might be able to send these applets to me. I > > would put them on disk and use them with a browser. > > Thanks for your time and keep up the good work! > > > > Steven Boyko Congratulations for your wonderful job. I am writting to you as a Physicist from an underdeveloped country, who is developing a web page to promote and improve the teaching of Physics. The page would have a section where the solution of several of the standard problems (Bueche, Resnick, Tippens, and what have you) is shown. Work is just starting, but I have about a ten of enthusiastic students working on them in their free time. It stroke me that my solutions would be very static, and have though of setting up a link to your pages so that the student could read your applets, and experiment with them. The speed connection to the outside world for many would be so low that the attempt would be doom to failure UNLESS: you allow me to include your applets in pages I would write, as a help, giving some guides as to how to use them, and giving them some clues as to which numbers to put, or else what to look for. Of course, experimentation is a much better teacher. If your applets (at least some of them) are placed in our local sever, speed of connection would be fast enough for students to try them out. WOULD YOU BE KIND ENOUGH AND TELL ME HOW YOUR NAME AND CREDITS ARE TO BE SET IN THIS WEB PAGES? In the name of Physics once again let me congratulate you for such a well thouhgt up set of applets. Bests regards José Brenes I'm from germany and I deciced to visit your page because I have to expose in physik ( it vwill noted). I find most of your applets very interresting , and I'd like to know if I can download them , and if yes how ? my name is Gilbert klein and i'm studying in aachen (germany). I really need this applets for my work, so I'd be great if u cold help me .
Thanks
PS: excuse , please, the poor englisch level...
I represent eGurucool.com, an educational web site catering to the K-12 space of Indian School Boards. I saw some animations/images on http://surendranath.tripod.com I wish to explore the possibility to add these images to our web site. Please let me know the procedure and costs for doing so. I look forward to an early reply from you. Prashant Sharma Senior Editor eGurucool.com Tel 91-11-6931601 91-11-6931620 Ext. 223 With much pleasure we studied the applets you placed on the nbci-site. In fact, we have used some of your applets in a physicslesson about oscillations. We did not copy the applets, but provided a kind of link in our HTML (codebase instruction). You can view the result on: www.tn.utwente.nl/havovwo/ Sorry, the whole site is in Dutch, I hope you can figure it out.. My assistant, mrs. Marjolein Koopman, has tried to contact you to ask for permission to use your applets in this way. She did not get an answer yet. I would appreciate your comment on the way we use your products. Sincerely, dr. Imme de Bruijn University of Twente Applied Physics / Teacher Education Thank you very much for letting me using your applets on our website. I am sure our students will appreciate this. You can find our site at http://extern.kahosl.be/johan.vandenbossche/simulaties.htm.
Again, thanks a lot.
Johan Van den Bossche I just discovered your wonderful site with the physics applets. I'm sorry I was not aware of this sooner since my physics students could have benefited greatly from your work. Thanks for sharing these fine tools. I will be using the wave and optics applets this week with my students. I think they will be very helpful in aiding them in understanding how things work. Bravo! Mike Powers I sent you an e-mail back on March 31 asking you if you could e-mail your applets to me so that I could use them while teaching my Physics classes. I would like your permission to place these on a CD rom that I would use with a computer in my classroom as I do not have access to the internet in our computer lab. I have not received a reply from you. If you could do this for me I would be very grateful. Your applets are great! If you cannot do this, I understand but please advise me by replying to this message. Thank you in advance for your attention to this matter. Steven Boyko I am a Physics teacher in Winnipeg, Canada. I came across your applets and I am very impressed. I cannot access the internet with my classes. I do have one mobile computer on which I can demonstrate these applets. I was wondering if you might be able to send these applets to me. I would put them on disk and use them with a browser. Thanks for your time and keep up the good work! Steven Boyko First I'll introduce myselve: My name is Hans Brunt and I'm a physician. I'm a teacher and also I write schoolbooks for students from 13 till 23 years old. The methode I wrote is: "Systematische Natuurkunde: ( Tranalation: Systematic Physics). 70 % of the students in Holland use these methode.
So I saw on internet that you wrote a lot of physic applets and I show it to my students. They used it very well and said that the applets were beautiful.
I also make software which are made to use same with the schoolbooks.
My question is if it is possible that we can use your applets together with my schoolbooks.
So I can translate the workspace. I think that your applets can break through in Holland.
I hope that I can see your e-mail soon,
Hans Brunt e-mail: hbrunt_adsl@wanadoo.nl Your general physics web-site is outstanding. I currently work as an optical engineer for a telecommunications company in Maryland, and I certainly wish I had such tools available during my undergraduate courses. Shefali You have the best applets I have ever seen and used. Thanks a lot David Pavel, Israel.
I am a norwegian teacher (52 years of age)at a high school situated in Molde on the west coast of Norway. My topics are mathematics and physics. Through the web I have found your java-applets which I find very interesting. They are very informative and easy to use. I therefore now intend to take advantage of some of them in my physics group counting 25 pupils. Thank you so much for your contribution to my teaching. With regards Torbjoern Kringstad
The applets work fine. I had to reconstruct the cframe.js Javascript file in order to get it most of the applets to work, however. This wasn't a problem, but those trying to mirror your site in the future may not understand why the applets don't work. (I think if you just include the cframe.js file in the zip file that would take care of the problem.) Thanks again. I found a few new applets that I had not seen before, and they work great. I especially liked the "Charged Particle Moving in a Magnetic Field" applet. John I have seen your fantastic java applets they are certainly very helpful to the students. I am a Visual C++ programmer and I have just started working on Java. I wish to know how do you develop 3D applets that can be moved with mouse into different positions (like a molecule viewer). This wiil be a great help for me. Thanks Sumit am currently using your Java applets in my teaching, and I would like to be able to host your applets on the local server here at the University of Oklahoma. Although I think your applets are wonderful, it is sometimes hard to get a good connection, which makes using them in lectures difficult. Is there any way I can become a mirror site for your work? Naturally, credit to you will be prominently displayed. If you need any verification that your work will not be used for commercial purposes, please let me know. Right now I work for MERLOT (merlot.cdl.edu). In fact, I was the one responsible for submitting many of your applets to MERLOT. Thank you, John Walkup University of Oklahoma I would like to have a copy of all of the Physics applets - I do not require the math applets. They will be most useful at school! Currently I am teaching Cambridge A Level Physics at Senior College in Auckland, New Zealand. Thanks again Stephen Matheson Do you know if there is any way I can down load the applets to show my class without being on the internet? Thanks! Stephen I am a Physics teacher in New Zealand Thanks for the Java applets!
Stephen Matheson
Dank für die Grüsse (Dank fuer die Gruesse). I tested ALL of your applets: Congratulations ! They are all running on my Mac (with MS IE, latest Mac edition). As I know from writing applets there are sometimes big problems with some browsers or operating systems. The only thing that doesn't work is the "Applet Menu" page http://surendranath.tripod.com/Applets.html. It would be a pitty if Mac users couldn't enjoy your wonderful applets ! Viele Gruesse Juergen
--------------------------------------------------------------------------------- My name is Simon Naylor and teach Physics in an English school. Our students are aged from 11 to 18. One of the tasks which I am undertaking is to produce and maintain our departmental intranet site. I would like to ask permission to use some of your applets on our site. The applets which we are using already, with permission I hasten to add, are a wonderful aid to teaching and I would like to use some of yours in the same way. Many thanks for your hard work. You can be proud that your work is used all around the world. Yours faithfully Simon Naylor You may care to look at our school internet site http://atschool.eduweb.co.uk/ripongs/ ith reference to the CD-ROM containing Physics Java Applets, I would like to inform you that, from now on, Ms. Sara Massa (sara.massa@rcs.it), will be responsible for it. In the future, you should address yourself to her for any communication or question. We will keep you informed as the project goes on. Yours sincerely
Francesca Pettoello RCS Scuola Via Mecenate, 87/6 20100 Milano ITALY Great Job! I wish I would have seen these much earlier! |~~~~~~~~~~~~~~~~~~~~~~~~~~| |Scientia non est potentia,| |quae prologum potentia | |solidum est. | |Alain Bateman | hi! I am a teacher from Brazil, I am wonderful with your site, how can I get this applets? I am interesting in Optics - Mirros & Lenses. Thanks by the return... and congratulations! --- Emerson Joucoski - joucoski@yahoo.com - +55(41)9981-3430 http://www.geocities.com/joucoski I am very impressed with your center of mass applet. I am currently linking applets and virtual labs to my lab notes posted on the internet for my Physics students. I think it helps with understanding of concepts. I have linked your applet to my site. You may see it at http://www.cyberclassrooms.net/~pschweiger/rotmot.html Peggy E. Schweiger Physics AP & Physics I-Honors Klein Oak High School http://www.crpc.rice.edu/CRPC/GT/pschweig/index.html Thankyou for making these applets available. I am also very enthusiastic about the classroom of the future. I am a physics teacher in New Zealand. There are still only a few sites specific to students trying to understand the syllabus at 6th and 7th form levels - your site will help to illustrate the concepts - thankyou again
Mo Skelton congratulations with your java applets on physics. Is there an possibility to download this applets for educational use? Myself , I am an physics teacher in Belgium and I want to use the applets off line during the courses. greatings, Dirk Dhaeyer e were impressed by you new site at http://surendranath.tripod.com/Applets.html and would like to incorporate your applets with our upcoming Education portal which is promoted by The India Today Group. We feel that your applets would greatly enhance the user`s learning experience. So how do we proceed from here? With Regards P Mohan Kumar Content Coordinator Vasant Valley Learning Centre New Delhi Keep up the good work. You're making a very valuable resource for all Physics teachers think your applets are excellent. I am trying to do some equivalent work with tutorials in various subjects using Flash as an animator. Would you mind looking at my site at Launceston College for possible inclusion to your links? I shall be using your site as a link with your permission. www.launc.tased.edu.au/subject/physsci/LCPhysSci.htm www.launc.tased.edu.au/subject/physics/index.htm Yours Jason Dicker I am a Research fellow in Space Physics and was playing around with some of your Applets - they are very good (needless I say!). I work in UK (well I am also of India - Saurashtra). I have been fortunate to work on the Huygens probe due to descend thru Titan's atmosphere in Nov 2004. The set of instruments i have worked on will hopefully return various measurements from surface and atomsphere. Enough about myself - so what do you do for living? and where exactly do you live in India? more later Brijen Hathi NOT A DAY PASSES WHEN I HEAR YOUR NAME. HOW GOOD YOU ARE AT
TEACHING
Excellent, thoughtful little programs! Nice work. By the way, how do people in India happen upon the name "Reddy" is this the English spelling of a Hindi name? Irish like it too. I think "Reddy" is a variation of "Reidi" (West Meath) but this is speculation on my part. This Reddy family is very fond of India. Hope you enjoy teaching. Richard Reddy have very much enjoyed your applets for physics especially about the waves. May I have permission to use the java files in our physics course which is offered over the Internet behind a passworded site. We will attribute you as the originators of these applets in any way that you wish. Steve Baker Hey! I am a 16 year old female student participating in an
international web site contest called ThinkQuest. Their web address is
ww.thinkquest.org. Three teenagers, including myself, are building a web site
on light and sound waves. I was wondering if you would give us concent to use
your applets in our web site. A link to your site will be given, credit is
administered to the rightful owner, and you will be sent a link to the
finished web product. Please understand your applets will be used for
educational usage only, and not for commercial use in this site only. I was very pleased to see your Java applets on the web. My name is Rajesh Bharadwaj and I live in California(USA) and work for a high tech company. I was brought up in New Delhi and I hold an MS(Electronics engg) degree. I am wondering if you have any future plans to take these java applets to a new level so that the school kids could actually perform virtual experiments and collect data, write reports just like in a real Lab. I guess it is very difficult to do this if you are alone. Do you have access to other programmers in Hyderabad?
Whatever you are doing right now is very generous and educational for kids around the world. Please keep up the good work. Write to me. Give me some thoughts regarding what would you like to do with these applets, if you had the resources.
Thank you very much. Rajesh Bharadwaj Aug 10, 2000, 11:05AM am a physics teacher in Brazil. I took a look at your applets and I think they are very good. I got impressed by the vector addition applet, as well as the angular momentum one (I must say that I haven't looked all of them yet, but I will in a near future). I am working in a educational company called Positivo Informatica, a company which main purpose is to use the computer in education. The website of our company is www.educacional.com.br. Some areas of this site are open to general public, and some of them are restricted to our students (a username and a password are required). We would like to add your applets in our website including some physics concepts, which would be in portuguese. I'd like to ask information for placing the applets (or just linking them to your homepage) in our website. Looking forward to hearing from you,
Bohdan Metchko Junior I have just discovered your menu of excellent applets on mechanics on the XOOM server. I am making up a list of relevant applets for use by our students and I would like to encourage them to use these excellemt teaching tools. May I list your applets on our text web page for them to access? They will of course be listed with credit. Do you have the applets mirrored on any server in North America for faster download? I don't know where the XOOM server is but from the download time I suspect that it is not in North America. Our page is http://www.physics.uoguelph.ca/biophysics/ Thank you for considering this request. Jim Hunt Congratulations and thanks for your wonderfull work! I am a mathematics teacher in France and I make applets to illustrate problems for my studients (about 17 years old). ( You can see that at http://www2.ac-lille.fr/hazard-armentieres at Maths Profs) I would like to give a problem about mechanism of Cardano ( un circle turning inside another circle which has double radium ) to illustrate the transformation of un circular movement in a linear movement. It allows me to give calculations on angles and analytic geometry. Do you now an applet which illustrate that mechanism? It would spare time for me.
Thank you for your help. Richard Lukaszczyk Dr. Gerhard K. Heilig, Senior Research Scholar, LUC-Project International Institute for Applied Systems Analysis, A-2361 Laxenburg, Austria. Phone: (+43-2236) 807-551; E-mail: heilig@iiasa.ac.at, I have explored your applets many times and can see how they would be very useful to physics students. I am a high school physics teacher, but currently I am working for an university. At the university I provide instructional support for both the lectures and entry level labs. I would like to present some of your applets to the professors for possible use in their lectures. However, before I do this I would like to have your permission to download and use them in this manner. I would be thankful for any comments or suggestions you might offer. Thanks,
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I was looking for educational Java Applets... and I landed up on your applets. Excellent work. I really was thrilled. It is commendable effort. Having gone through the JEE and graduated from IIT Delhi, I can understand the value of being able to visualise the concepts in Physics. I am sure these applets will be a tremendous value to interested students. Good Work !!! Regards, Maneesh Soni -- Graduate Researcher, Configurable Computing Laboratory Virginia Tech am a high school Physics teacher in San Diego, California with a problem accessing your applets. The good news is your wave motion applet is about the most useful tool on the entire internet for teaching high school students basic concepts of wave phenomena. Unfortunately I am going CRAZY trying to make it play back at school. At home I am using a PC 400MHz Pentium based processor using a Netscape Communicator 4.5 browser - and it works beautifully. But at school neither my PC which formerly ran your applet nor my new G3 Powerbook (MAC) will open the applet. I've attached a notice from another site which explains (I think) what the problem is, but I don't know how to fix it. I feel my students are missing an extremely valuable learning aid if I cannot make your applet run. Do you have any suggestions?? http://webphysics.davidson.edu/Applets/java11_Archive.html Thanks so much - David Kuhn Mar Vista High School Imperial Beach California USA Excellent material. I am a physics teacher in Burlington, Ontario, Canada. I teach in an alternative setting where students come in when there schedule permits. Many work and are upgrading their skills to enter college or university programs. It is very difficult to do labs because of the limited space and the number of students that I teach. I also teach Chemistry and Mathematics. These applets have proven to valuable for teaching and review. We do however have network problems that sometimes limit the students access to the Internet. The question I have is, is it possible to download the applets to a computer so that students could have access to them? Thank you for you for your fine efforts in teaching. David Knight I know you must have spent a great deal of time on your prism applet. Let me tell you that you have helped me a great deal. I am taking Physics as a Science component for a Computer Science degree so Physics is not my life. Interactive tutorials such as yours allow me to experiment first hand with some of the concepts. So much we do in life goes without thanks so I wanted to take an instant in time and tell you someone out here appreciates what you're doing. Regards, Pat Coletta
I saw your applet on Prisms, and excited to see it. Its indeed
a good work. I am Dr N Viswanath, working in Nete Solutions, USA.
thank you so much for the java waves, they really help alot. I only wish that instructors know how to utilize technology in their classrooms because it's saves them time as well as promotes deeper understanding As a physics teachers myself, I enjoy your applets on wave simulation. Very clear picture. This semester I am teaching non-major physical science. I found you applets is particular useful for my students. I would like them to use the applets to create a web page to teach the concept. Could you be kind enough to let my student to link it to your applet? The link won't be permanent. It will last as long as the class will last this semester. K. C. Chan Albany, Georgia USA I am sorry for barging into your mailbox. But , your entry at physicsweb has made me write to you. You are doing great job. The aplets are good. But, if you can make hem work with mouse also, it will be great. How are you developing the applets? Please let me know.
I am from Hyderabad and I am currently working in Bangalore. My parents, brother ( Vengalrao Nagar), sister ( Banjara Hills), in-laws ( Panjagutta)- all live in Hyd.
You teach IIT aspirants privately or you work for some organization?
Please keep in touch
Ramesh I am a physics teacher in Vienna, Austria (Europe) and I am new to programming in Java. I came across your nice applets on the web and I wonder how you draw the thick lines of the vectors in your vector addition applet or the light ray in your prism applet. I cannot find anything on drawing thick lines in my java books and it does not look like you draw two or more lines side by side. Could you please tell me how you did it? Yours sincerely, Peter Jakesch >From a french Physics teacher. Congratulations for your applets; I think this technology will grow up impressively in the future. Serge Gazaix Strasbourg France (Europe!) Thank you for creating and making these applets available. I am a physics teacher near Philadelphia, PA, USA. I am fortunate to have 12 networked laptops. However, it is the power of your programs that gives them value. Thank you.
Sincerely,
Jeffrey Heller I am a physics teacher at Rhode Island, USA. I have enjoyed looking at your applets and I know I can use some of them in my classes. Thank you for all your fine work.
How hard is it to create an applet? Would you recommend a book that could get me started.
Lou hi ı am physics teacher in turkey. these applets are very useful for my physics lesson thanks alot.ı cant prepare java applets but when ı see your applets ı try to prepare.can you send information about this topic
thanks erol kargı physics teacher akdeniz college antalya /TURKEY I am delighted to see the applets - they are really "cool". I would have to say that until a while ago, it would have been beyond my wildest dreams that I could after all these years, get a visual refresher in Physics direct from Hyderabad. I mailed the links to my friends for them to check out and was about to suggest that they be made available at jars.com. I checked and sure enough, they were there! I checked out some other Physics related applets by Wang (from Lockheed Martin?),Sergei and the guy from Colorado. They had some nice applets too. I think Wang was the guy that made good use of java 3-D. After running these different applets, my machine came to a crawl. I am led to believe that someone is not cleaning up resources. May be the dispose method is not being called on the Graphics object. Everyone of my friends (including me) thought that the applets were very well written. It only reinforces my observation that some of the best programmers have a solid background in Math and Physics. Only recently a friend of mine (who likes to worry), after watching a TV show on competition to enter college (it is actually a non issue compared to the Indian scene), was worried about whether he could send his kids to a decent college (btw, he is not yet married). I had told him that all he had to do was help establish a solid grounding in Math, teach the kid to communicate well and instill confidence. With these skills and confidence , the kid can pretty much carve out a career for himself/herself without too much regard to the college attended (or for that matter, course of study in college). I am not saying that attending top schools does not give you the edge, but sometimes, the extra money spent may not be worth it). I will elaborate on why course of study may not be as important later. Thanks again for letting me know about the links. Thanks AC I am a physics teacher. I am interesting in what you have done, it really helps me in teaching physics. I wanted to use the applets in my teaching, but I can't access internet in my classroom. Therefore, it would be so great of you if you can send a copy of your web-site.
Thank you very much!
Alex Wong
From Hong Kong Thank you very much for your nice physics applets. Do you mind if I use them on some of my course web pages? I teach astronomy and physics at Delta State University, in Cleveland, Mississippi, USA. I mirrored your Kepler's 1st and 2nd Law applets at: http://www.deltast.edu/academics/artsci/physci/astronomy/ which is the homepage for my beginning astronomy course. Regards and best wishes, David Craig Asst. Professor of Physics & Astronomy Physical Sciences Dept. Delta State University Cleveland, MS 38732 USA It was indeed a great pleasure to see your sincere attempts in developing new apprach in teaching. Since I also love teaching I must congratulate. Keep it up.with regards, Vatsal Yajnik I was navigating on your web page and I found you did a nice job. I'm just starting with Java and I was willing to develop some java applets to work with vectors for first year undergraduate students of Applied Physics at my University. Would it be possible to get the source of your applet Vector addition, so that I get an idea how to paint vectors, move them with the mouse, etc...? Thank you very much, Sincerely, Cristina ------------------------------------------- Cristina Martin i Batlle Universiteit Twente Technische Natuurkunde INO Postbus 217 7500 AE ENSCHEDE NEDERLAND Tel 00-31-(0)53-489.31.28 Fax 00-31-(0)53-489.10.75 E-mail c.martin@tn.utwente.nl I'd like to say that the applets that you put up at your site were very interesting and informative. Though I'm only in high school, I'm very interested in the first Chase applet. Currently, I'm considering doing a project that simulates a missile "chasing" it's target. I'd like to know how you were able to create the applet so that the blue ball would chase the red ball. I tried to understand the accompanying document but since I've only just begun pre-calc, it didn't make much sense. Could you by any chance give me a copy of the source code for the applet (I'm proficient with Java programming)? And, is there any Internet site that you would recommend to me for further study on physics of this nature and Calculus? Thank you very much for your time and if you ever need assistance in writing a Java applet, feel free to e-mail me. Sincerely, Grant Chang-Chien I have a question about your two chase applets. At first I didnt understand them - well, I havent understood them yet - untill one person came up to me with bright eyes and said "beautifull" - he obviously loves your applet. He told me that this is something about minimizing integrals and at the university he was working all the student got really excited about this subject and they did this in all kind of ways (and dimensions). Now, I havent quite understood the mathematical bases of these applets and I would be even more gratefull, if you could tell me. Well obviously ... ehm ... Im thinking. No, please send me, if you have, some material (equations etc - I dont know) about this subject. It doesnt matter if it includes high mathematic since I am working with about 2000 physicsts running around me, and I am sure that there will be at least ONE, who could explain it to me. Thank you again and again. Lasse Clausen
I enjoyed your java applets! You are much too modest in your web site! I went through each applets in your web sites. It is really a handy and helpful teaching tools to help my students to visualize some of the basic concepts in their physics course. I like them very much. Some of the applets provide additional information and concept and some does not. It will be perfect if you can cover some concept for each applets. I really appreciate your work. David, David C.K. Yu (from Hong Kong) Im not quite sur if Ive already written to you. Anyway, Im working on a homepage for the representation of the german synchrotron (DESY in Hamburg) at ther EXPO 2000. This site hopefully will be filled with physlets. Since I cant program them myself, I wondert if you can send me the already compiled .class files of your physlets. Sorry, I cant give youy any money but surely there would be a link to your homepage in the one I working at. Thank you very much. Lasse Clausen Its me again. Id like to say that Im especially intersted in your physlets about waves and the one with the prism. byebye Lasse Clausen I am a student in De montfort university. I read the applet that you created on the web pages. It is so wonderful. I like to learn how to write applet using Java. Could you send the following java applet source codes? They are used in the web page: http://members.xoom.com/Surendranath/Applets.html 1. Beats.java ( applet source code) 2. simple Harmonic Montion.java ( applet source code) 3. Transverse Waves.java ( applet source code) My email address:
Thanks Jian qing Yu I have just become aquainted with your applets and fine them to be very good tools. I can only offer praise for your work and hope you continue with your efforts. Sincerely, Don Hallenbeck New physics teacher in Port Charlotte, Florida Thank you for your very fine applets. I enjoyded them. I tried your Kepler's Law Java Applet. It DID NOT work. So I read the directions! I have a Pentium 166 and Windows 95. I realized that my Netscape version 4.05 might be a problem. I immediately upgraded to 4.6 and voila.... works like a charm. Good Job! Cordially, Asif Shakur Physics Salisbury State University First, I want to compliment you on your beautiful animations. You have done a superb job of exposition.
A personal note: When I was completing my senior year in high school in Texas in 1962, I attempted a display similar to your Kepler's Laws -2. Computers were not personal nor available at the time, and there were only a handful of monochrome video displays in existence. So what I did was take a slowly rotating display motor (the output was geared down) and use it to drive electrical wipers spaced at regular intervals around the circle. I think I had to settle for four equal subdivisions of the orbital time unit. This was all mechanical and very makeshift. So I had four miniature neon lights which would blink in succession at equally spaced time intervals with a 50 percent duty cycle.
Then I had to approximate eight equal areas for the radial sweep - four on and four off. I used a surveyor's planimeter (analog) to measure the areas and it took a real long time to get it right.
Next I put a circular piece of cardboard on the motor's axis and put two circular graphs on the cardboard: one for potential energy and one for kinetic energy. I placed the motor and rotating graph behind the board of the display so the graph could show through a little slot which gave the effect of a linear, time-dependent gauge of both energies (whose sum was constant).
It was clever enough to win first prize in Pure Physics at the Baylor Science Fair that year. It was a lot of work, but I had a great sense of accomplishment. Remember that space science had just turned into a very hot topic in 1958.
------
So, getting back to your beautifully executed display, perhaps it might be enhanced if you added two time-dependent graphs of the kinetic and potential energies arranged so as to make it clear that their sum was constant.
Please let me know what you think. I'd really like to see how this looks.
P.S. I'm very envious of your work. Larry Niven has written a science fiction story titled "Infinite Series", if I remember correctly. I believe it appears in an anthology of that name.
I think you would find it extremely funny in light of your "Chase-2" applet. MI name is Alfredo and I`m a physics teacher at a secondary school here in Spain. I visited the TIPTOP-Web in found your Applet about Kepler`s Laws very interesting. I would like to show it to my pupils, but we have no Internet connection at school. Can you tell me how to download it from the Web or could you please send me a copy of it via E-Mail.
My E-Mail: alfrodbet.iic@arquired.es
Thank you very much
Alfredo Rodriguez Velazquez I am writting to you to give my opinion on this site.I liked your explanaition,you made it easy for me derstanding certain things in physics. I have just one comment .........there are no pictures(drawing),I don't know if it is my computer fault or something.If it was not, then I hope you can find a solution for it. Many thanks from us here in Jordan. Keep it up. D.H i am a physics teacher looking for free java applets that i can use in my classes to help my students understand Physics concepts, and i came across your wonderful ones on Kepler's laws, transverse and longitudinal waves, and vector addition.
I was wondering if it'd be ok for you to send these to me, please...
thanks for your time
Serge Botans My name is Werner Krammer, I am a physics teacher in Austria. I like your applets very much, and I would like to use them in school. Unfortunately, I have no internet-connection in my classroom, so I would need a download to run the applets offline. Maybe you can help me. Thank you very much in advance, Werner Krammer. surrounding pages and index) to Swedish and make them available to my physics students. I will, of course, be happy to include credits and links to your original page and your mail address. You asked for suggestions: The javas function very well. There is some layout on your pages that I think doesn't look the way you intend, at least on some browsers and screen sizes: index.html the main text on the page overlaps the brown area sometimes applets.html the boxes in the table are different sized. ( I personally like a more compact layout- to make scrolling unnecessary, but some people like a lot of space.) If you would like any help redesigning the layout of yout HTML I would be happy to help.
Jeff Forssell I'm a beginner in Java programing. I'm working on my own (simple) Applet and on Your's page I found an interesting Applet: Simple Harmonic Motion. I would like to rotate a line. One end of line is fixed in the center of circle and second one is turning around the circular line. On the second end of this line is "integrated" little circle or bullet (see picture). It's like Your model without "vectors" and colored angles. Do You have any suggestions how to write a Java code for this example? Or maybe You have any applets (with source) for similar problem that I'll be learning on example.
I still have some questions: - Is it possible to adjust speed for my applet? - Is it possible to set (by user) different sizes of the circle? - What is the best way to learn more about graphic objects in Java? (books, WWW sites, ...)
Thank You very much. Best regards from Slovenia (SLO).
Simon Cool stuff :) Must remember to learn some more java :) The day after tomorrow, SteveC * tomorrow will be yesterday * * * * * * Email: Steve@fractalus.com *** ** * * ** * WWW: http://www.fractalus.com/fracsaver * ** ** *** Congratulations for the efforts you have put, in preparing the physics applets.It took me back by 3 decades of Physics khowledge.. Appreciating your efforts I wish you all the best. Dr.K.Krishnadevarayalu I am a high school science teacher in Edmonton, Alberta, Canada. My student teacher has discovered your web page with all of the really great Physics Java applets. Unfortunately, I can't use them since I've already covered those topics. Then next year, I'm taking a year off to look after my 1 year old son. But when I return to the classroom, (hoping I keep your web address) I'll use them as demonstrations for my class. I sure am envious! I would love to know JAVA! <<<< Corey Karvonen-Lee >>>> <<<< Victoria School >>>> I did check out your pages! Congratulations! I must say. You did a very good job. I hope to see more of your java applets soon! There is a lot of works need to be done recently. Keep in touch! The applets ran fine on a G3 Mac(blue tower), system 8.5, using IE 4.01 and the Apple MRJ 2.0. I also downloaded the latest MRJ, (Mac OS Runtime for Java) (MRJ 2.1) and the applets also ran fine in that environment. Current versions of Netscape Communicator and Netscape Navigator (up to 4.5) use their own internal Java virtual machine and unlike Explorer you have no choice. You have to run their virtual machine. This machine is not JDK 1.1 compliant and the applets will not run under this environment. Finally, thank you for sharing these applets. I will find them useful in my classes.
Bruce Esser Physics Teacher Something witty Marian High School Should go here I am a high school Physics teacher in Winnipeg, Canada. I came across your applets on Transverse Waves and Longitudinal waves. I thought they were excellent. I would like to have a copy of these two applets for my classes. I was wondering if you might send me a copy by email or tell me if there is a way of downloading them. I look forward to hearing from you. Thanks. Yours in Science Education, Steven E. Boyko St. Boniface Diocesan High School Winnipeg, Canada I looked at your home page "Surendranath's" I liked it allot. I am in eighth grade, and I would like to do a sceince project on this, but it has to be an experiment so I was wondering if you can tell me how I could experiment, with this subject? If you will help me out I will include you in my Bibliagraphy and give you credit for the work that you helped me with. Thankyou for your time! Sofia Moddel I liked the applets. Plan to use them for my physics students. Thanks. - Anne Doherty, Gunn High School, Palo Alto, CA
good work, very useful for teachers!
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