Grumpy Old Geeks Topics Laptop-damaging USB drive Topic Laptop-damaging USB drive 2 mentions in 1 episode The hosts describe a handmade USB drive said to discharge charged capacitors into a laptop. Mentions 100: So Much Universe, and so Little Time Mar 13, 2015 47:46 Someone's made a laptop-killing, booby-trap USB drive. 48:04 It charges capacitors up to 110 volts.