D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2022-11-02 |
E+40+20 | Variable angle mirror assembly with candle. | 2022-11-18 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2022-10-05 |
F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2022-11-28 |
D+30+22 | Torque on coil suspended between two magnets. | 2022-10-05 |
E+25+45 | Thin film interference with mercury light on mica sheets. | 2022-12-02 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2022-12-07 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2022-12-02 |
D+0+8 | Series capacitor array. | 2022-09-14 |
D+0+8 | Series capacitor array. | 2022-09-16 |
D+10+16 | Separation of charge using electrical tape and an electroscope. | 2022-08-26 |
D+75+1 | Same as above: Secondary used for spot-welding. | 2022-10-21 |
B+25+10 | Rubber rope stretched across front of room. | 2022-11-07 |
E+40+25 | Retrodirective reflector: Silvered right angle prism, using laser. | 2022-11-14 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2022-09-21 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2022-09-21 |
E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2022-11-14 |
E+45+60 | Polarized light and stressed lucite on an OHP. | 2022-11-21 |
E+10+50 | Poisson's spot: Interference pattern within circular shadow. | 2022-12-07 |
D+10+4 | Pith balls on thread, with positive and negative charged rods. | 2022-08-26 |
D+25+0 | Phases of V and I in series circuit as RL shifts to RC. | 2022-10-19 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2022-10-28 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2022-11-02 |
D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2022-09-14 |
D+35+10 | Para and diamagnetic materials in magnetic field with arc lamp. | 2022-11-02 |
D+15+1 | Oscillating magnets in coupled coils | 2022-10-07 |
E+25+42 | Oil film interference on water. | 2022-12-02 |
E+25+42 | Oil film interference on water. | 2022-11-28 |
E+25+42 | Oil film interference on water. | 2022-11-23 |
E+25+42 | Oil film interference on water. | 2022-11-30 |
E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2022-11-16 |
E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2022-11-21 |
E+10+20 | Microwave diffraction by a large adjustable iris. | 2022-11-23 |
E+10+20 | Microwave diffraction by a large adjustable iris. | 2022-11-30 |
E+25+60 | Michelson interferometer fringes with laser or white light. | 2022-11-23 |
E+25+60 | Michelson interferometer fringes with laser or white light. | 2022-11-30 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2022-10-03 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2022-10-05 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2022-08-24 |
D+5+16 | Lodge's experiment: Spark gap radio transmitter and receiver. | 2022-10-26 |
E+25+55 | Lloyd's mirror: Laser beam interferes with reflection from glass. | 2022-11-28 |
E+10+45 | Limit of resolution: Two small lamps on adjustable slide. | 2022-12-02 |
E+40+42 | Light the Match (same as C+65+2). | 2022-11-18 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2022-10-12 |
D+5+34 | LEDs oscillate in stored energy LC circuit. | 2022-10-26 |
E+25+15 | Laser beam through various slit and grating combinations. | 2022-08-24 |
E+25+15 | Laser beam through various slit and grating combinations. | 2022-11-23 |
E+25+15 | Laser beam through various slit and grating combinations. | 2022-11-30 |
E+25+15 | Laser beam through various slit and grating combinations. | 2022-12-02 |
E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2022-12-02 |
D+75+8 | Large Jacob's ladder. | 2022-10-19 |
D+75+8 | Large Jacob's ladder. | 2022-10-21 |
D+10+30 | Kelvin water drop electrostatic charge generator. | 2022-08-31 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2022-10-12 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2022-09-28 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2022-09-30 |
D+15+10 | Hand-cranked AC alternator powers 120 volt lamp. | 2022-10-07 |
E+30+25 | Fresnel lenses to show. | 2022-11-16 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2022-09-30 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2022-09-12 |
D+10+13 | Faraday cage: blocks signal from portable radio | 2022-09-12 |
D+15+35 | Equivalence of large and small loops around enclosed flux | 2022-10-12 |
D+15+35 | Equivalence of large and small loops around enclosed flux | 2022-10-14 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2022-10-12 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2022-09-14 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2022-09-16 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2022-08-31 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2022-09-02 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2022-09-07 |
E+15+20 | Diffraction patterns of various gratings using He-Ne laser. | 2022-12-07 |
D+15+30 | Demonstration of dependence of number of coils on induced flux | 2022-10-19 |
D+15+30 | Demonstration of dependence of number of coils on induced flux | 2022-10-21 |
D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2022-10-07 |
D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2022-10-12 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2022-09-30 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2022-09-28 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2022-11-21 |
E+40+40 | Clam shell mirrors: Floating coin illusion. | 2022-11-14 |
D+10+14 | Charging an electroscope by induction. | 2022-08-26 |
D+10+12 | Charge resides on the outside of a conductor. | 2022-09-12 |
D+10+8 | Braun and Leaf electroscopes. | 2022-08-26 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2022-11-14 |
E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2022-11-14 |
E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2022-11-16 |
D+35+7 | Barkhausen effect model: Many tiny magnets on pivots on OHP. | 2022-11-02 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2022-10-05 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2022-10-07 |
D+75+6 | Automobile coil makes a spark. | 2022-10-26 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2022-09-14 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2022-08-24 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2022-08-26 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2022-09-28 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2022-12-07 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2022-12-02 |
E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2022-11-18 |
D+20+4 | AC dimmer: Soft iron core in coil dims lamps. | 2022-10-14 |
D+20+4 | AC dimmer: Soft iron core in coil dims lamps. | 2022-10-28 |
D+5+20 | 3 cm. microwave transmitter and receiver. | 2022-10-28 |