D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2018-11-13 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2018-10-25 |
D+0+2 | Various capacitors to show. | 2018-10-09 |
D+0+2 | Various capacitors to show. | 2018-10-11 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2018-10-30 |
D+10+2 | Transparency: Mapping of an electric field. | 2018-09-25 |
D+30+22 | Torque on coil suspended between two magnets. | 2018-11-01 |
D+30+22 | Torque on coil suspended between two magnets. | 2018-11-06 |
D+0+8 | Series capacitor array. | 2018-10-16 |
C+70+15 | Ring and ball: Ball fits through ring only after ring is heated. | 2018-08-23 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2018-10-18 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2018-10-16 |
D+35+10 | Para and diamagnetic materials in magnetic field with arc lamp. | 2018-11-13 |
D+0+30 | Oscillator made with resistor, capacitor and neon lamp. | 2018-10-25 |
C+55+10 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2018-08-28 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2018-09-04 |
C+70+32 | LN2 in a model cannon shoots a cork. | 2018-08-23 |
C+70+32 | LN2 in a model cannon shoots a cork. | 2018-08-28 |
D+55+10 | Large tungsten filament lamp; as it heats, current drops. | 2018-10-18 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2018-10-25 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2018-10-30 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2018-10-25 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2018-10-30 |
C+70+10 | Heated steel rod expands, raises pointer,breaks pin on cooling. | 2018-08-23 |
C+70+6 | Heated horizontal nichrome wire stretches, weight sags. | 2018-08-23 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2018-11-01 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2018-11-06 |
C+70+0 | Galileo's air thermometer forces liquid down when heated. | 2018-08-23 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2018-11-01 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2018-08-23 |
D+10+13 | Faraday cage: blocks signal from portable radio | 2018-09-25 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2018-10-11 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2018-11-15 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2018-09-25 |
D+15+4 | Earth inductor: Coil spun in Earth's field makes voltage. | 2018-11-15 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2018-10-30 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2018-11-01 |
C+45+0 | Computer demo: Heat of fusion of tin. | 2018-09-06 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2018-10-25 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2018-10-30 |
C+70+85 | Charles' Law: At constant P, Volume is proportional to Temperature. | 2018-08-28 |
D+10+12 | Charge resides on the outside of a conductor. | 2018-09-25 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2018-10-09 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2018-10-11 |
D+10+8 | Braun and Leaf electroscopes. | 2018-09-18 |
D+10+8 | Braun and Leaf electroscopes. | 2018-09-20 |
C+70+75 | Boyle's Law: At constant T, Pressure times Volume is a constant. | 2018-08-28 |
D+35+7 | Barkhausen effect model: Many tiny magnets on pivots on OHP. | 2018-11-13 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2018-11-14 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2018-11-15 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2018-09-04 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2018-09-06 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2018-09-18 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2018-09-20 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2018-11-01 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2018-11-06 |