NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
Backup site http://enjoy.phy.ntnu.edu.tw/ntnujava/

JDK1.0.2 simulations (1996-2001) => Comment about this web site! => Topic started by: on January 30, 2004, 11:32:01 am

Title: Comments abot this site (1999)
Post by: on January 30, 2004, 11:32:01 am
Subject:  your web-site
Date:     Mon, 08 Feb 1999 22:15:14 -0500
From:     Susan <calla@ibm.net>
To:       hwang@phy03.phy.ntnu.edu.tw
I don't have any suggestions, but I think your site is really great and
I like your graphics.

Susan Irlbeck -- physics student in Raleigh, North Carolina, USA

Title: topic56
Post by: on January 30, 2004, 11:32:31 am
Subject: physics webpage
Date:    Tue, 09 Feb 1999 15:06:23 -0500
From:    Tony Montana <kreeture@prodigy.com>
To:      hwang@phy03.phy.ntnu.edu.tw
hey, you're really good. i like your webpages alot. our physics teacher
referred us to your pages, and i think they're pretty cool, especially
with the animations and interactive applets. and plus my mom's heard of
your university (i'm chinese), so rock on!

Title: topic56
Post by: on January 30, 2004, 11:33:14 am
Subject:  Wow!!!
Date:     Wed, 17 Feb 1999 09:25:53 -0500
From:     defaultuser@domain.com
To:       hwang@phy03.phy.ntnu.edu.tw
Your site is fantastic!

I teach high school physics and have been looking for good simulations
to use with my students! This one is a winner!

Very talented work! Keep it up and thanks!!!

Lars Wendt, Hunterdon Central Regional High School, Flemington, NJ .

Title: topic56
Post by: on January 30, 2004, 11:33:32 am
Subject:  (no subject)
Date:     Wed, 17 Feb 1999 18:32:04 EST
From:     JLau325162@aol.com
To:       hwang@phy03.phy.ntnu.edu.tw
I liked your sight.  And found it very informative.  Hands on experience works
better than just reading the info.  Thank you.

Title: topic56
Post by: on January 30, 2004, 11:34:22 am
Subject:  Your website
Date:     Fri, 19 Feb 1999 19:47:52 -0000
From:     "Bob Arkley" <Bob.Arkley@btinternet.com>
To:       <hwang@phy03.phy.ntnu.edu.tw>
Thank you! I know almost nothing about physics, but I have had a
great time playing with the applets on your website. I was actually
looking for some simple information for a 13 year old about how
gravity keeps the planets in our Solar System in their orbits, but I
soon forgot about that in the sheer fun of playing. Thanks again
Bob Arkley

Title: topic56
Post by: on January 30, 2004, 11:34:59 am
Subject: Typo found...
Date:    Mon, 1 Mar 1999 11:59:51 -0800
From:    "Chris Holden" <chris.holden@gte.net>
To:      hwang@phy03.phy.ntnu.edu.tw
I happened upon your web site and noticed that the word "Beginning" is
misspelled (you have it as "Begining").  The URL of the page is:

I hope this helps.


Title: topic56
Post by: on January 30, 2004, 11:38:44 am
Subject:  Physics or Fisica
Date:     Wed, 10 Mar 1999 01:03:52 -0700
From:     Pedro R <zonico@hmo.megared.net.mx>
To:       hwang@phy03.phy.ntnu.edu.tw
Mr  Hwang:

First of all, i would like to congratulate you about your PHYSICS HOMEPAGE.

I'm an 18 year old student from Mexico. I study Mechanical and Electrical
Engineering at the ITESM here in my country.

Now your are probably asking: so, what?

Well, i'm taking a physics class in which we have to make several different
kinds of thing on computers...one of them, make a HOMEPAGE and include some
links to virtual labs ans stuff like that.

I managed to link some of your applets to my page, that the whole meaning of
this e-mail, to ask for your permission to keep those links, or if you
disagree, just send me an e-mail, and i would gladly erase them.

You can check my homepage (that it hasn't been finished yet) at
and tell me your thoughts.

I would apreciate you could let me keep the links.

Saludos desde Mexico.

Title: topic56
Post by: on January 30, 2004, 11:40:08 am
Subject:  Amazing Teaching Materials !!
Date:     Sun, 14 Mar 1999 05:52:21 +0800
From:     "StyleWan" <style@netvigator.com>
To:       <hwang@phy03.phy.ntnu.edu.tw>
Dear Sir,
    I am a Physics teacher in a secondary school in Hong Kong.  I found that the java
applets in your web page are excellent teaching materials !!  It would be great to save
the applets for teaching.  However, I could not save the java applets (together with the
homepage) so that I can play them offline.  Would U please help me ?
    Thank U very much indeed !!

Title: topic56
Post by: on January 30, 2004, 11:40:27 am
Date:     Mon, 15 Mar 1999 14:51:24 -0600
From:     "Stan Treanor" <treanor@camalott.com>
To:       <hwang@phy03.phy.ntnu.edu.tw>
Great Demo, I'll use it with my students.
Stan Treanor

Title: topic56
Post by: on January 30, 2004, 11:43:18 am
Subject:  bravo from Italy!
Date:     Fri, 02 Apr 1999 18:38:10 +0200
From:     g.pavesi@netvalley.it (Pavesi Giovanni)
To:       hwang@phy03.phy.ntnu.edu.tw
I am a physics teacher from Parma, Italy, and I had much appreciate your
applet, that I 'll use during my school lesson. Excuse my poor english,
but however congratulations and thanks for your good work!
                     Paola Pannuti

Title: topic56
Post by: on January 30, 2004, 11:44:28 am
Subject:  Virtuel Physics
Date:     Tue, 20 Apr 1999 11:33:53 +0100
From:     Søren Røjel <SR@post.akp.dtu.dk>
To:       hwang@phy03.phy.ntnu.edu.tw
Dear colleque

Your site is vere good, but it is very difficult to load. It takes more than 30

Yours sincely

assistant professor  Soeren Roejel
The Technical University of Denmark

email:  sr@akp.dtu.dk

Title: topic56
Post by: on January 30, 2004, 11:52:28 am
Subject:   Physics Java Applets
Date:   Sat, 29 May 1999 15:42:27 -0700 (PDT)
From:   rhys hughes <drh38@yahoo.com>
 To:  hwang@phy03.phy.ntnu.edu.tw
Are your Physics Java applets for sale. I find them very interesting,
but due the cost of Internet phone calls (ie; in the U.K.) I'd rather
install them on my PC.

Thank you


Title: topic56
Post by: on January 30, 2004, 12:39:14 pm
Subject:   (no subject)
Date:  Sat, 29 May 1999 20:41:04 EDT
From:   Lizwoolard@aol.com
To:  hwang@phy03.phy.ntnu.edu.tw
Thank you so much for the creative and very effective physics applets.  I am
a high school physics teacher and I use them frequently on my physics pages.
L Woolard
 Enloe Physics Web

Title: topic56
Post by: on January 30, 2004, 12:39:33 pm
Subject:  Very exciting!
Date: Thu, 3 Jun 1999 21:53:43 +0400 (EET DST)
From: Derya Oktay <derya@bornova.ege.edu.tr>
To:  hwang@phy03.phy.ntnu.edu.tw
Hello I`ve visited your homepage, and I must say that I found very
wonderful and despite I did not see you or talk with you, I liked you,
thanks for your hardworking. I appreciate you, if you accept.
Good luck.

             Ege University
             Department of Computer Engineering
             Derya Oktay
             icq# 23349443

Title: topic56
Post by: on January 30, 2004, 12:39:56 pm
Subject: Congratulations!!
Date:  Sat, 05 Jun 1999 10:18:27 -0300
From:  "Tarso F. Cassol" <tarso@fisica.ufsc.br>
To:    hwang@phy03.phy.ntnu.edu.tw
Dear Mr. Hwang

I visited your WEB page with hte aplicattions on JAVA to demonstrate
some Physics
laws and I found it very interesting.
I would like to send you my congratulations for your work.
Perhaps my Physics students may use and learn more science with your
Sincerely, Tarso.
Physics Departament of Universidade Federal de Santa Catarina.

Title: topic56
Post by: on January 30, 2004, 12:41:37 pm
Subject:  web site
Date: Wed, 23 Jun 1999 21:44:18 -0400
From: "Monty McGee" <mlmcgee@bellsouth.net>
To: <hwang@phy03.phy.ntnu.edu.tw>
Thank you very much for this web site; extremely interesting.  I work with
physics, chemistry and computer programming, and find this very helpful.

Monty McGee

Title: topic56
Post by: on January 30, 2004, 12:42:32 pm
Subject: physics sites
Date: Thu, 8 Jul 1999 22:10:16 -0700
From: "E. Ou" <ou@cco.caltech.edu>
Organization: California Institute of Technology
I really like your physics pages. Especially the java applets, those are
great. I know your pages are old and I don't know if you update them
anymore, but keep up the good work :)

Title: topic56
Post by: on January 30, 2004, 12:42:49 pm
Date: Mon, 12 Jul 1999 09:28:18 -0000
From: "Edie Dukek" <edukek@cedarvalley.org>
To: <hwang@phy03.phy.ntnu.edu.tw>
Your entire site is wonderful!  Thanks for taking the time to make this
excellent information acccessable to my students!

Edie Dukek

Title: topic56
Post by: on January 30, 2004, 12:44:04 pm
Subject:  Help !
Date:  Fri, 23 Jul 1999 05:15:13 +0800
From: "StyleWan" <style@netvigator.com>
To: <hwang@phy03.phy.ntnu.edu.tw>
Dear Sir,
    I appreciate the Physics animations from you very much !   I want to learn java so that
I can make my animations.  Would you please give me some guides by introducing
some reference books and related materials ?  Thank you very much indeed !!
P.S.  I am a Physics teacher.  I have certain programming knowledge of Basic and

Title: topic56
Post by: on January 30, 2004, 12:45:03 pm
Subject:demo for Antonio Nariño university
Date: Wed, 18 Aug 1999 07:03:00 +0000
From: fhort@starmedia.com (felipe ortiz)
To: hwang@phy03.phy.ntnu.edu.tw
your physicals applets are very good! i am a enginering sistems student here in
colombia, and i need the java applets´source code.
you can send at my address today.  Is urgent!

Title: topic56
Post by: on January 30, 2004, 12:47:40 pm
Subject: physics java applets
Date: Thu, 9 Sep 1999 09:14:43 +1000
From: "Seth Bell" <seth@xref.com.au>
Organization:  Xref Pty Limited
To:  <hwang@phy03.phy.ntnu.edu.tw>
I have been visiting your site this morning (found via AltaVista) and
playing with the java applets.
A great resource and very educational.  Thank you!
Seth Bell.

Title: topic56
Post by: on January 30, 2004, 12:49:58 pm
Subject: Physics java applets
Date: Tue, 28 Sep 1999 22:42:16 +0100
From: "Charles Scott" <C.Scott@tesco.net>
To: hwang@phy03.phy.ntnu.edu.tw
I have just recently discovered your web site in an article in "The Herald"
newspaper which is published in Glasgow, Scotland.  I have visited your site
and was very impressed with the work that you have done. I intend to get my
Physics students, who study at Kilwinning Academy, Scotland, to access your
site as part of their coursework.
thank you
Charles Scott

Title: topic56
Post by: on January 30, 2004, 12:50:29 pm
Date: Mon, 4 Oct 1999 14:28:02 -0700
From: "Steve Tyminski" <styminski@ci.sierra-vista.az.us>
To: <hwang@phy03.phy.ntnu.edu.tw>
Cool Stuff!

Title: topic56
Post by: on January 30, 2004, 12:51:29 pm
Date: Wed, 13 Oct 1999 00:35:28 -0700 (PDT)
From: Alex Ladikov <shelton1983@yahoo.com>
To: hwang@phy03.phy.ntnu.edu.tw
Dear Fu-Kwun Hwang

Your sight is very very interesing and very very
helpful for us. If you like physics problems we can
send you what we have. We think that our relationship
can be very helpful for you and for us.

Sincerely yours, physics club of lyceum "Leader" Kiev
Ukraine(post Soviet republic)

Title: topic56
Post by: on January 30, 2004, 12:53:07 pm
Subject:  (no subject)
Date: Tue, 19 Oct 1999 12:55:52 -0600
From: Carlos Meraz <meraz@kci.net>
To: hwang@phy03.phy.ntnu.edu.tw
This is cool dud!!

Title: topic56
Post by: on January 30, 2004, 04:33:53 pm

I was recently scouring the net looking for a suitable picture to
demonstrate the orthogonal mode of an electromagnetic wave in an optical
fibre for a presentation on polarisation dispersion (my artistic skills are
nil). I came across your moving Java applet description of an EM wave and
was suitably impressed as its exactly the type of picture I'm looking for. I
was wondering whether you might have still pictures of the sort that I might
be able to post in a Powerpoint presentation. If you do I would be much
obliged. Thanks  

Arif Zubairi

Product Engineering
Nortel Networks
External: %     0181 945 3720
ESN: %       730 3720
E-mail:  ) zubairi@nortelnetworks.com

Title: topic56
Post by: on January 30, 2004, 04:36:32 pm
From: ISAAC David <david.isaac@eurocontrol.be>
To: "'hwang@phy03.phy.ntnu.edu.tw'" <hwang@phy03.phy.ntnu.edu.tw>
Subject: Thanks
Date: Tue, 26 Oct 1999 14:22:23 +0200

This is just to say thanks for your java applet. I bought a vernier recently
and couldn't work out how to use, but then I found your applet and it all
became clear.


Title: topic56
Post by: on January 30, 2004, 04:45:14 pm
From: "Ken Symes" <glfnzi@in-tch.com>
To: <hwang@phy03.phy.ntnu.edu.tw>
Subject: Thank you for all of the wonderful applets!
Date: Tue, 29 Sep 2099 00:21:12 -0600

     I am an adult student that returned to college at the age of 43 =
last fall, (Sept of 1998) I am attempting to do now what I wanted to do =
as a young man. I want to complete my pre-medicine degree and become a =
podiatrist specializing in the surgical correction of congenital =
     Of course physics is required to gain admission to any medical =
college, this year along with Organic Chemistry I am endeavoring to =
concur college physics 101.=20
      As most students must tell you, I understand what most of the word =
problems we are dealing with are stating and asking. I understand the =
components of the problem. My difficulty is how to put the problems =
together to come up with a solution.=20
      The applets that you have provided I believe will help a great =

If you have any suggestions for the mastery of introductory college =
physics I would  very much like to hear from you.=20



Title: topic56
Post by: on January 30, 2004, 04:48:53 pm
From: "Ute Goldkuhle" <uteg@gte.net>
To: <hwang@phy03.phy.ntnu.edu.tw>
Subject: Your applets
Date: Sat, 27 Nov 1999 09:56:42 -1000

You do a superb job illustrating the principles.  Quite entertaining as =
well.  Keep up the good work.

Eric Fagan

Title: topic56
Post by: on January 30, 2004, 04:50:30 pm
Date: Sat, 04 Dec 1999 23:34:30 +0100
From: "rc00010678@vt4.net" <khfranken@vt4.net>
To: hwang@phy03.phy.ntnu.edu.tw


I'm a 16 year old boy from far Belgium: I enjoy very much doing physics
and it was really a pleasure when I discovered your website! Thank you
very much!

Tom Franken

Title: topic56
Post by: on January 30, 2004, 04:54:53 pm
Date: Fri, 10 Dec 1999 21:04:54 -0500
From: jeffreyheller <jeffreyheller@mciworld.com>
Subject: great applets!
To: hwang@phy03.phy.ntnu.edu.tw

Beautiful work.  I will showcase your talent in my 11th grade physics =
class at Lower Merion H.S. outside of Philadelphia, PA. Thank you.

Jeffrey Heller
my email address for your personal use.  thanx

Title: topic56
Post by: on January 30, 2004, 04:55:42 pm
From: =?big5?B?SGVydukgUElBVUxU?= <herve.piault@utc.fr>
To: hwang@phy03.phy.ntnu.edu.tw
Subject: URL=http://www.phy.ntnu.edu.tw/java/index.html

Did you know many links are broken on your java applets page ?
I'm university teacher (mechanics) in France and would like to use some
simulations in my on line courses.So I would be interested in using some
of yours (I can't program anything but Pascal...), what about the
I'm looking for a simulation showing isopotential in a field where you
could drag charges and modify there values. Did you heard about
something like that (in java)?
Your work is realy intersting and I hope you'll be able to give me
positive answers !

Thanks for advance and I wish you a happy new year.
Herve Piault
Laboratory for pedagogical innovation.
University of technologie of Compiegne.

Title: topic56
Post by: on January 30, 2004, 04:56:20 pm
Date: Thu, 23 Dec 1999 15:47:18 +0100
From: =?big5?B?SGVydukgUElBVUxU?= <herve.piault@utc.fr>
To: hwang@phy03.phy.ntnu.edu.tw
Subject: broken links

Sorry, your links are not broken...
It was just the beginning of the bug !