How to make an authentic Joule Thief.
20:34
Make a ghost detector.
10:14
How Does the Joules Thief ⚡Free Energy Work?
18:08
Make Your Own Joule Thief!
15:48
Inside a very clever LED headlight lamp.
29:42
Julian's Joule Thief Experiments
12:32
How to Build a Joule Thief - Step by Step (The simplest switching power supply / inverter)
26:58
Simplest solar light possible, using old phone battery.
16:33