D+10+22 | Wimshurst machine, large or small. | 2014-03-17 |
D+0+2 | Various capacitors to show. | 2014-03-12 |
D+10+20 | Van de Graaff generator. | 2014-02-14 |
D+10+20 | Van de Graaff generator. | 2014-02-19 |
D+10+20 | Van de Graaff generator. | 2014-03-17 |
D+30+22 | Torque on coil suspended between two magnets. | 2014-04-09 |
D+30+22 | Torque on coil suspended between two magnets. | 2014-04-02 |
D+30+22 | Torque on coil suspended between two magnets. | 2014-04-07 |
D+5+12 | Seibt effect: Wire wound glass tube with 510 transmitter. | 2014-05-02 |
D+55+14 | Same as D+55+12 using oscilloscope to display waveform. | 2014-03-31 |
D+55+14 | Same as D+55+12 using oscilloscope to display waveform. | 2014-04-02 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2014-03-17 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2014-03-19 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2014-03-19 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2014-03-14 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2014-03-17 |
C+22+10 | Operating Sterling cycle engine, gas powered. | 2014-02-06 |
C+22+10 | Operating Sterling cycle engine, gas powered. | 2014-02-07 |
C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2014-01-20 |
C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2014-01-21 |
C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2014-01-22 |
C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2014-02-10 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2014-04-14 |
D+20+2 | LR time constant: Square wave drives series LR on oscilloscope. | 2014-04-30 |
D+20+2 | LR time constant: Square wave drives series LR on oscilloscope. | 2014-05-02 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2014-04-23 |
D+5+34 | LEDs oscillate in stored energy LC circuit. | 2014-04-30 |
D+75+8 | Large Jacob's ladder. | 2014-04-30 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2014-04-21 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2014-04-25 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2014-04-09 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2014-04-11 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2014-04-09 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2014-04-11 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2014-04-02 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2014-04-04 |
C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2014-02-03 |
D+55+4 | High current melts the fuse wire. | 2014-03-19 |
C+70+10 | Heated steel rod expands, raises pointer,breaks pin on cooling. | 2014-01-20 |
C+70+10 | Heated steel rod expands, raises pointer,breaks pin on cooling. | 2014-01-22 |
C+70+5 | Heated iron wire stretches, rotates pointer. | 2014-01-24 |
C+70+6 | Heated horizontal nichrome wire stretches, weight sags. | 2014-01-20 |
C+70+6 | Heated horizontal nichrome wire stretches, weight sags. | 2014-01-22 |
C+70+6 | Heated horizontal nichrome wire stretches, weight sags. | 2014-01-24 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2014-04-04 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2014-04-07 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2014-04-07 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2014-04-04 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2014-01-29 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2014-01-31 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2014-02-28 |
D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2014-03-03 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2014-04-28 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2014-04-30 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2014-03-12 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2014-03-16 |
D+30+25 | Elementary motor: De La Rive Tube. | 2014-04-09 |
D+30+25 | Elementary motor: De La Rive Tube. | 2014-04-11 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2014-04-21 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2014-02-19 |
D+15+14 | Eddy currents: Copper disk rotates over a spinning bar magnet. | 2014-04-21 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2014-04-02 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2014-04-04 |
C+50+30 | Drum in glycerine rotates to smear line of dye into a plane and back. | 2014-02-10 |
D+0+16 | Discharging a capacitor through a lamp. | 2014-03-14 |
D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2014-04-21 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2014-02-06 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2014-02-07 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2014-02-10 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2014-02-03 |
D+10+12 | Charge resides on the outside of a conductor. | 2014-02-28 |
D+10+12 | Charge resides on the outside of a conductor. | 2014-03-03 |
D+10+8 | Braun and Leaf electroscopes. | 2014-02-19 |
D+10+8 | Braun and Leaf electroscopes. | 2014-02-14 |
C+15+1 | Boiling water in paper cup; cup does not burn. | 2014-02-06 |
C+15+1 | Boiling water in paper cup; cup does not burn. | 2014-02-07 |
C+15+1 | Boiling water in paper cup; cup does not burn. | 2014-02-10 |
C+50+5 | Black balls and white balls in a box are shaken. | 2014-02-10 |
C+50+5 | Black balls and white balls in a box are shaken. | 2014-02-14 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2014-01-31 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2014-02-03 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2014-03-14 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2014-04-09 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2014-04-11 |
D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2014-04-23 |
D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2014-04-25 |