E+60+17 | Water fiber optic | 2023-10-19 |
D+0+12 | Visual charge/discharge of a capacitor through a load. | 2023-09-26 |
D+10+20 | Van de Graaff generator. | 2023-08-24 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2023-09-28 |
F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2023-11-14 |
B+25+0 | Transverse wave model, hand-cranked. | 2023-11-21 |
E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2023-10-19 |
D+30+22 | Torque on coil suspended between two magnets. | 2023-10-03 |
E+25+25 | Thin film interference with optical flats and sodium lamp. | 2023-11-02 |
D+30+0 | Suspended magnetic lodestone on string. | 2023-09-28 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2023-11-02 |
D+0+8 | Series capacitor array. | 2023-09-14 |
B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2023-11-21 |
E+25+5 | Ripple tank with plane or spherical water waves and barriers. | 2023-10-31 |
E+25+5 | Ripple tank with plane or spherical water waves and barriers. | 2023-11-02 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2023-09-19 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2023-09-19 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2023-09-26 |
E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2023-10-24 |
E+60+10 | Rainbow: Refraction of white light by a liquid sphere. | 2023-10-19 |
D+5+32 | Plexiglas model of electromagnetic wave. | 2023-10-17 |
E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2023-10-24 |
E+40+35 | Phantom bouquet: Real image from a concave mirror. | 2023-10-24 |
D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2023-09-14 |
E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2023-10-26 |
E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2023-10-31 |
E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2023-10-19 |
E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2023-10-24 |
E+25+10 | Microwave interference with single and double slits. | 2023-10-31 |
E+10+20 | Microwave diffraction by a large adjustable iris. | 2023-11-07 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2023-10-05 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2023-10-10 |
D+15+45 | Magnet inserted and withdrawn from copper ring causes ring to swing | 2023-10-10 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2023-10-10 |
E+60+15 | Light pipes and fiber optic flashlight. | 2023-10-19 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2023-10-17 |
E+25+15 | Laser beam through various slit and grating combinations. | 2023-10-31 |
E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2023-11-02 |
E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2023-11-07 |
E+25+0 | Large wood model of a double slit with hinged waves. | 2023-10-31 |
D+55+10 | Large tungsten filament lamp; as it heats, current drops. | 2023-09-19 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2023-10-17 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2023-10-05 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2023-10-03 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2023-09-28 |
D+15+6 | Generator: Coil with DC commutator rotates between magnets. | 2023-10-12 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2023-10-03 |
E+15+0 | First and second order transmission gratings, with arc lamp. | 2023-11-02 |
D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2023-10-03 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2023-10-12 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2023-08-24 |
D+10+28 | Electrostatic doorbell: Ball bangs between charged plates. | 2023-08-24 |
D+10+35 | Electric field created by Van de Graff splits ions in flame | 2023-08-29 |
D+15+28 | Eddy currents: Neodymium Magnet Drop. | 2023-10-17 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2023-09-28 |
D+30+2 | Dip needle compass. | 2023-09-28 |
E+15+20 | Diffraction patterns of various gratings using He-Ne laser. | 2023-11-02 |
E+15+20 | Diffraction patterns of various gratings using He-Ne laser. | 2023-11-07 |
E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2023-11-02 |
D+15+30 | Demonstration of dependence of number of coils on induced flux | 2023-10-10 |
D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2023-09-19 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2023-10-05 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2023-10-03 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2023-10-24 |
D+10+14 | Charging an electroscope by induction. | 2023-08-24 |
D+10+12 | Charge resides on the outside of a conductor. | 2023-09-05 |
D+10+8 | Braun and Leaf electroscopes. | 2023-08-24 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2023-10-24 |
E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2023-10-26 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2023-10-10 |
D+0+1 | Attraction between plates of a capacitor causes attachment of plates when insulator is introduced. | 2023-09-12 |
D+0+1 | Attraction between plates of a capacitor causes attachment of plates when insulator is introduced. | 2023-09-14 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2023-09-12 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2023-09-14 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2023-10-05 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2023-11-02 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2023-11-07 |
D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2023-10-17 |