This compact $28 hand-crank power generator features a built-in flashlight, USB charging port and solar panel, making it a must-have for blackouts, camping trips, or anytime you’re off the grid.

Inspired by a couple of 40×20 N52 neodymium magnets he had kicking around, he decided to put together a hand-cranked generator and use it to generate plasma with.

When the power goes out, having a generator on hand can be a game-changer, but choosing the right size is essential to keep your home running smoothly. Picking a generator that matches your power ...