Interactive Color Wheel - The SIH wheel is a Java applet that allows a person to view relationships between color (saturation, intensity, and hue) and luma. Build a Solar System - A table to help build or draw a scale model of the solar system. Specify the size of the sun and the sizes of and distances between various objects are calculated. Java Applets for Engineering Education - Statics, dynamics and fluid dynamics. Galileo and Einstein - Michael Fowler's physics lectures from the University of Virginia. Includes a collection of physics simulations in JAVA and Flash. Ripple Tank Applet - Two wave sources in a ripple tank. You set the variables and watch it run. Davidson Physlet Problems - Physics applets plus the source code. Links to other applet sites and authors are here as well. Generalized Physics Applets - Several categories from which to choose. PBS.org - Transistorized! Web Site Interactives - Features two interactive games related to the development of transitors. The object of the Periodic Puzzle is to line up tiles to match a section of the periodic table of the elements. The Wafer Maker is a fast-paced game where the user grows silicon crystals to make transistors. Nori's Physics Page - Java applets and Quicktime movies of physics simulations such as solar system, ideal gas, wave interference, and the Doppler effect. How To Teach Statistical Thermal Physics In An Introductory Physics Course - Several simulation applets which can be used to teach the statistical foundations of thermal physics in introductory college physics courses. Download applets for free. Interactive Physics and Math with Java - A set of more than 20 scientifically accurate educational applets which mostly cover the course of Introductory Physics or material close to it. This site is mirrored a number of places on the net. Vector Calculator - Intended to give students a "feel" for vectors in two dimensions. Specifically, it covers components, magnitude and direction, and vector addition. NTNU Virtual Physics Laboratory - Offers several applets for various areas of physics. Powers of 10 - Interactive Java Tutorial - Start 10 million light-years from the Milky Way galaxy and wind up face to face with a proton in Florida. BlackBody Spectrum Applet - Shows the relation between wavelength, emitted power, and peak wavelength for a blackbody (Planck's function). Gravitational Orbits - Applet demonstrates Kepler's law. UCI Chemistry - Applets - Educational applets covering irreversibility, chemical kinetics, the second law of thermodynamics, ideal atmosphere, particle in a box (quantum mechanics) and a monte carlo simulation. Physics Flash Animations - Animations sorted by category, and the file size of each animation is included in the listing. Resonata - Wave machine with various parameters, with explanatory text. Universal Nuclide Calculator - Allows the simulation of the radioactive decay. JOrrery - Simulates the motion of planets moving under gravity. It comes with a number of initial "scenarios." Can also add more planets during a simulation.