D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2017-11-30 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2017-10-31 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2017-10-31 |
C+70+15 | Ring and ball: Ball fits through ring only after ring is heated. | 2017-08-24 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2017-09-05 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2017-11-09 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2017-11-09 |
C+70+32 | LN2 in a model cannon shoots a cork. | 2017-08-24 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2017-11-30 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2017-11-30 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2017-10-31 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2017-10-31 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2017-11-16 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2017-11-15 |
D+15+4 | Earth inductor: Coil spun in Earth's field makes voltage. | 2017-11-16 |
D+15+4 | Earth inductor: Coil spun in Earth's field makes voltage. | 2017-11-15 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2017-10-31 |
C+45+0 | Computer demo: Heat of fusion of tin. | 2017-09-05 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2017-10-31 |
D+10+8 | Braun and Leaf electroscopes. | 2017-09-21 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2017-11-16 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2017-11-15 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2017-09-05 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2017-09-21 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2017-11-09 |