E+60+17 | Water fiber optic | 2019-11-08 |
E+60+17 | Water fiber optic | 2019-11-13 |
D+5+30 | Wall chart of electromagnetic spectrum. | 2019-11-04 |
D+5+30 | Wall chart of electromagnetic spectrum. | 2019-11-06 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2019-10-09 |
E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2019-11-08 |
D+30+22 | Torque on coil suspended between two magnets. | 2019-10-11 |
D+30+22 | Torque on coil suspended between two magnets. | 2019-10-14 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2019-11-25 |
D+5+12 | Seibt effect: Wire wound glass tube with 510 transmitter. | 2019-11-06 |
D+5+12 | Seibt effect: Wire wound glass tube with 510 transmitter. | 2019-11-04 |
B+25+10 | Rubber rope stretched across front of room. | 2019-11-01 |
B+25+10 | Rubber rope stretched across front of room. | 2019-11-04 |
E+25+5 | Ripple tank with plane or spherical water waves and barriers. | 2019-11-20 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2019-09-25 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2019-09-27 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2019-09-27 |
E+60+10 | Rainbow: Refraction of white light by a liquid sphere. | 2019-11-08 |
D+5+32 | Plexiglas model of electromagnetic wave. | 2019-11-04 |
D+10+4 | Pith balls on thread, with positive and negative charged rods. | 2019-08-28 |
E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2019-11-13 |
E+40+35 | Phantom bouquet: Real image from a concave mirror. | 2019-11-15 |
E+25+30 | Newton's rings by transmission or reflection on arc bench. | 2019-11-22 |
D+15+45 | Magnet inserted and withdrawn from copper ring causes ring to swing | 2019-10-21 |
E+10+45 | Limit of resolution: Two small lamps on adjustable slide. | 2019-11-25 |
E+10+45 | Limit of resolution: Two small lamps on adjustable slide. | 2019-12-02 |
F+15+5 | Light through different filters into phototube changes current. | 2019-11-25 |
F+15+5 | Light through different filters into phototube changes current. | 2019-12-02 |
E+60+15 | Light pipes and fiber optic flashlight. | 2019-11-08 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2019-10-23 |
E+25+15 | Laser beam through various slit and grating combinations. | 2019-11-20 |
E+25+15 | Laser beam through various slit and grating combinations. | 2019-11-22 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-10-21 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-10-25 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-10-30 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2019-10-09 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2019-10-11 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2019-10-16 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2019-10-07 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2019-10-04 |
E+60+2 | Indices of Refraction: glass in glycerin and phantom crystals. | 2019-11-08 |
D+55+4 | High current melts the fuse wire. | 2019-09-27 |
D+80+4 | Gotham cell: Assorted metal electrodes in sulfuric acid bath. | 2019-09-16 |
D+15+6 | Generator: Coil with DC commutator rotates between magnets. | 2019-10-23 |
D+30+30 | Force on current carrying wire in a magnetic field | 2019-10-07 |
D+0+5 | Force on a dielectric in a capacitor | 2019-09-27 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2019-10-07 |
E+15+0 | First and second order transmission gratings, with arc lamp. | 2019-11-22 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2019-09-09 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2019-09-11 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2019-09-13 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2019-10-25 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2019-09-25 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2019-10-18 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2019-10-21 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2019-08-30 |
D+10+28 | Electrostatic doorbell: Ball bangs between charged plates. | 2019-08-28 |
F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2019-11-25 |
F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2019-12-02 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2019-08-30 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2019-09-04 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2019-09-06 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2019-10-07 |
D+0+16 | Discharging a capacitor through a lamp. | 2019-10-04 |
E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2019-11-25 |
D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2019-10-21 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2019-10-14 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2019-11-13 |
D+10+12 | Charge resides on the outside of a conductor. | 2019-09-09 |
D+10+12 | Charge resides on the outside of a conductor. | 2019-09-11 |
D+10+12 | Charge resides on the outside of a conductor. | 2019-09-13 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2019-09-13 |
D+10+8 | Braun and Leaf electroscopes. | 2019-08-28 |
D+10+8 | Braun and Leaf electroscopes. | 2019-08-30 |
D+10+8 | Braun and Leaf electroscopes. | 2019-09-04 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2019-11-13 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2019-11-15 |
E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-11-18 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2019-09-20 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2019-09-23 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-10-09 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-10-11 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-10-14 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-10-16 |
D+10+11 | Alternate charge resides on outside of conductor | 2019-09-11 |
E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2019-11-15 |
E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2019-11-18 |
D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2019-11-06 |
D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2019-11-04 |