A standard part of travel kit for the 2020s is now a battery pack — a hefty lithium-ion cell with onboard electronics for USB charging, that ensures all of our devices stay topped up while we’re out ...

Everyone loves to play with electricity and plasma, and [Hyperspace Pirate] is no exception. Inspired by a couple of 40×20 N52 neodymium magnets he had kicking around, he decided to put together a ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock When the grid goes down for an open-ended amount of time, even the smallest backup device can start to feel ...