Electric bikes, and really all electric vehicles, have one major downside: the weight and cost of batteries. Even with lithium, battery packs for ebikes can easily weigh more than the bike itself and ...

We’ve taken ICs apart before, but if they are in an epoxy package, it requires some lab gear and a lot of safety. Typically, you’ll heat the part and use fuming nitric acid (nasty stuff) in a cavity ...

The Tesla coil transforms an input voltage into brief pulses of extremely high voltages. Tesla's largest coil, built at his Colorado Springs lab in 1899, was 52 feet in diameter and generated pulses ...