CD Erased with 150,000 Volts of Electricity [Video]
Unnecessary when a pass through the microwave will do the trick? Sure. But short of dissolving the CD in acid, this is one of the most secure ways to destroy data on a CD, provided it’s done for long enough. The CD becomes clear in the process because the metal on the CD’s surface is either being evaporated [Slashdot’s word] or flung to the nearby table surface in tiny flakes.