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written by Wolfgang Christian and Mario Belloni
Physlet Physics contains a collection of exercises spanning the introductory physics sequence. These exercises use computer animations generated in Java applets to show physics content. We call these Java applets Physlets (Physics content simulated with Java applets).

The second edition to Physlet Physics represents a major change in how the 800 Physlet-based interactive materials are delivered to teachers and students alike. Instead of accessing materials off of the CD that came with the first edition, now users simply access the Physlet Physics 2E from ComPADRE. This new edition is compatible with Java 6 and 7 and offers improved speed and security.

Please note that this resource requires at least version 1.6 of Java Applet Plug-in.
Subjects Levels Resource Types
General Physics
- Collections
= Informal Education
= Introductory E & M
= Introductory Mechanics
- Curriculum
- General
- Lower Undergraduate
- Middle School
- High School
- Informal Education
- Instructional Material
= Curriculum
Intended Users Formats Ratings
- Learners
- Parent/Guardians
- Educators
- General Publics
- application/java
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Access Rights:
Free access
This material is released under a Creative Commons Attribution-Noncommercial-No derivatives 3.0 license. Physlet applets may be used for non-profit, educational purposes without requesting permission.
Rights Holder:
Wolfgang Christian
Record Cloner:
Metadata instance created July 11, 2013 by Wolfgang Christian
Record Updated:
July 11, 2013 by Wolfgang Christian

Physlets won't run in latest release of firefox

Author: Jason Diemer
Posted: June 8, 2017 at 2:22PM

Starting with Firefox Version 52 (released in March 2017), Firefox has limited support for plug-ins, and therefore will not run Java.

» reply

Re: Physlets won't run in latest release of firefox

Author: Wolfgang
Posted: Jun 15, 2017 at 8:09AM

Java Applets (but not Java programs or the Java language) are deprecated and will soon become impossible to run.  There is nothing that we can do about that other than to convert applet-based curricular material to JavaScript and we are working on the conversions.  But it takes time to rewrite hundreds of curriculum pages.  Here are some Physlet and Physlet-like material that we have posted recently:

You can browse additional JavaScript models here:

We have been developing EJS JavaScript simulations and distributing them in the OSP digital library for some time.  Go to the library and search.

» reply

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ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
W. Christian and M. Belloni, (2014), WWW Document, (
W. Christian and M. Belloni, Physlet Physics (2e) Online, (2014), <>.
APA Format
Christian, W., & Belloni, M. (2014). Physlet Physics (2e) Online. Retrieved November 14, 2018, from
Chicago Format
Christian, Wolfgang, and Mario Belloni. Physlet Physics (2e) Online. 2014. (accessed 14 November 2018).
MLA Format
Christian, Wolfgang, and Mario Belloni. Physlet Physics (2e) Online. 2014. 14 Nov. 2018 <>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian and Mario Belloni", Title = {Physlet Physics (2e) Online}, Volume = {2018}, Number = {14 November 2018}, Year = {2014} }
Refer Export Format

%A Wolfgang Christian
%A Mario Belloni
%T Physlet Physics (2e) Online
%D 2014
%O application/java

EndNote Export Format

%0 Electronic Source
%A Christian, Wolfgang
%A Belloni, Mario
%D 2014
%T Physlet Physics (2e) Online
%V 2018
%N 14 November 2018
%9 application/java

Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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