D+0+2 | Various capacitors to show. | 2025-03-06 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2025-03-20 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2025-03-20 |
C+70+50 | Piston and cylinder compress/expand air measuring temp. and pressure. | 2025-01-28 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2025-03-06 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2025-03-11 |
C+22+15 | Operating Sterling cycle engine, hot water powered. | 2025-02-04 |
C+22+15 | Operating Sterling cycle engine, hot water powered. | 2025-02-06 |
C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2025-01-23 |
C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2025-01-21 |
C+70+10 | Heated steel rod expands, raises pointer,breaks pin on cooling. | 2025-01-21 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2025-01-28 |
D+10+13 | Faraday cage: blocks signal from portable radio | 2025-02-25 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2025-03-06 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2025-03-11 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2025-02-20 |
C+45+0 | Computer demo: Heat of fusion of tin. | 2025-01-30 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2025-01-28 |
D+10+12 | Charge resides on the outside of a conductor. | 2025-02-20 |
C+55+20 | Brownian motion: Like C+55+0, with an aluminum disk added. | 2025-01-23 |
C+70+35 | Bimetallic strip: Brass/invar strip curves when heated. | 2025-01-21 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2025-01-30 |