This spinning water contraption is actually a functional battery
Arduino Team — June 18th, 2025 If you ask someone to think of a battery, they’re probably going to picture a chemical battery, like a AA alkaline or a rechargeable lithium-ion battery. But there are other kinds of batteries that store energy without any fancy chemistry at all. If you find a way to save energy for later, you have a useful battery. Erik, of the Concept Crafted Creations YouTube channel, achieved that by storing kinetic...
