The Secret Life of the Electric light - Remastered
31:24
The Secret Life of theTelevision - Remastered
31:14
The Secret Life of the Photocopier - Remastered
25:46
Using LEDs as mains indicator lights on 120V and 230V (live demos)
30:28
The Secret Life of the Watch - Remastered
2:47
Restored Open Carbon Arc Lamp From 1889 In Operation
24:19
Tim Hunkin and the Neal's Yard Water Clock
7:50
The Electric Light Bulb Was Invented Centuries Before Edison
29:49