The Joule Thief's Lesson: Innovation in a World of Waste The recent DIY article showcasing the "joule thief" circuit has sparked curiosity among enthusiasts and hobbyists.
This clever contraption uses a transformer and transistor to extract residual energy from dead batteries, breathing new life into old devices.
The joule thief's mechanism relies on Faraday's law of induction, which is also harnessed in electric generators and induction cooking stoves.