Nick Kostos and Femi Abebefe discuss the teams they believe can actually win the Super Bowl in February. Kate McKinnon is ...

But what happens when there is no handy mains supply to recharge it from? Step in [Chleba], with a hand cranked generator. There are plenty of hand cranked generators to be found online ...

What’s the best way to turn a high-powered brushless DC motor optimized for hobby use into a decent low-RPM generator? Do you take a purely mechanical approach and slap a gearbox on the shaft?