Piezoelectricity - why hitting crystals makes electricity
17:35
How a quartz watch works - its heart beats 32,768 times a second
14:58
Make Electricity Go Round and Round - The Thermoelectric Effect
20:47
How Physicists Broke the Solar Efficiency Record
14:48
The Big Misconception About Electricity
29:15
Nikola Tesla - Limitless Energy & the Pyramids of Egypt
6:11
Making Cold Light From Crystals
17:57
Gearless Magnet Bike
14:49