B+45+10 | Ultrasound transducers (40 kHz) as both sources and receivers. | 2015-04-17 |
A+0+5 | Timed free fall: Ball drops 2 meters through electronic timing gate. | 2015-04-17 |
B+45+20 | Savart's wheel: Toothed wheel and cardboard or air jet. | 2015-04-17 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2015-04-18 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2015-04-17 |
A+20+20 | Bed of nails | 2015-04-17 |
A+0+15 | A falling weight accelerates a car horizontally. | 2015-04-17 |
A+0+35 | A ball swung on a string held by a sleeve. | 2015-04-18 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2015-04-17 |