Syracuse Physics Educational Modules and Simulations (Popularity: ): A good sampling of ways that science and computing are becoming interactive. Real Time 3D Physics Simulator Applet (Popularity: ): Demonstrates many aspects of Newtonian physics. Ripple Tank Applet (Popularity: ): Two wave sources in a ripple tank. You set the variables and watch it run. Physlet Problems (Popularity: ): Physics applets plus the source code. Links to other applet sites and authors are here as well. Java Applets for Engineering Education (Popularity: ): Statics, dynamics and fluid dynamics. Fowler's Physics Applets (Popularity: ): These supplement physics courses taught by Michael Fowler at U of Virginia. They include Newton's cannon, Brownian motion, Rutherford scattering, ... Generalized Physics Applets (Popularity: ): Several categories from which to choose. Physics Java Applets by C. K. Ng (Popularity: ): Applets on general physics. PBS.org - Transistorized! Web Site Interactives (Popularity: ): Features two interactive games related to the development of transitors. The object of the Periodic Puzzle is to line up ... Nori's Physics Page (Popularity: ): Java applets and Quicktime movies of physics simulations such as solar system, ideal gas, wave interference, and the Doppler effect.