SOLVING the Mystery Behind a Soviet Spy Bug : A True Masterpiece of Technical Elegance!
26:44
How Microwave Lenses REALLY Work!
24:52
Sony's Breakthrough Color TV
33:45
Why It Was Almost Impossible to Make the Blue LED
16:02
I Spent my ENTIRE Pension on a CNC Machine!
10:22
Defying Gravity - HUGE Neodymium Magnet vs Copper Tube Experiment - The Power of Lenz's Law!
19:13
Cutting mirrors with Diamonds
14:41
Cómo funciona la energía trifásica: ¿por qué 3 fases?
26:29