Last Modified:  5-12-00

Mechanics Cannon fire.  Excellent Center of Gravity.   Stacked blocks tip over Projectile motion.   Cannon balls aimed at each other collide Projectile Motion. Horizontal/Vertical Motion demonstrated simultaneously; dozen projectiles fired at same time Simple Harmonic Motion. SHM versus circular motion; excellent Bouncing balls. Coefficient of restitution Pendulum.   Plots KE and PE Projectiles in Orbit.   Excellent Centripetal force Excellent; ball string table hole counterweight. 1D Collisions. Fair 2D Collisions. Fair	Atomic Physics Laser Cooling Laser Confinement Water in Microwave Microwave Oven Seeing Xrays Xray Emission Atomic Models Electron Orbits Periodic Table Lasers Lasers Laser Diodes General Animation Quantum Mechanics Photons Feynman's Dbl Slit Semiconductors Semiconductors Semiconductor physics	Sound Doppler   Police car and fronts; excellent Doppler   Police car sounds; excellent Doppler Shock waves; good Young's Double Slit. Very good Superposition Moving waves overlap: excellent Superposition. Moving pulses overlap; excellent Fourier synthesis. Sound, excellent Reflection / Refraction. Speakers Interfere Relativity Relativity Page 1 Relativity Page 2   Flight Simulator Devices Nematic Crystals Television Tube Calculator Display LCD Cross Section	Light and Optics Diffraction Vary number of slits, separation, see graph Young's Double Slit 1 Green laser cannon    Young's Double Slit 2 Vary color, distance, intensity, slit separation, see graph of intensity TV Pixel Scan Vary speed, see image: excellent Polarizing Lenses Two rotatable lenses, camera; excellent Polarization Shows rotatable filter on lake; very nice Light shadows. From points and rods. Interesting Billiards and Mirrors Good Internal Reflection. Searchlight under water; excellent A FishEye's View of the World Distorted moving rectangle; very nice Dispersion through Slab of Glass Dispersion through Prism Concave Mirror Convex Mirror Convex Mirror Converging Lens Diverging Lens Thermodynamics Evaporation Bose-Einstein Brownian Motion. Very good Vibrating Crystal. Excellent Circuits Oscilloscope. Excellent Diode clipping circuit. Fair RC Charge/Discharge. Excellent
Solar System/ Astrophysics Solar System. Planets revolve about sun. Kepler's Laws Kepler.   Angular momentum versus area; good	Electrostatics	Magnetostatics	Electromagnetism Propagation of EM Wave Oscillating charge, EM; Excellent Field Waves Charge in EM Field Charge Particle in Electric and Magnetic Fields. Good Interactive Force Field Dipole in EM Field 3D Animations Charged Projectile   Cyclotron

Miscellaneous Eric's Treasure Trove of Science List of Physics Demos at Virginia Tech How Things Work Think Quest Library Home Page; keyword search; many graphics National Academy of Science: go to publications,   then to Beyond Discovery, moder commun. for example A Theory of Everything: Virtual Chaos Excellent Site Exploratorium Hwang's Applets Sergey's Applets Animations (New) Fowler's Applets German applets:  large directory More good applets Demos: Oregon State University