That last one has some charming history to it—when inventors were tinkering with electric cars in the 1970s, they often turned to washing machines for a source of torquey electric motors.

Most of the electric motors we see these days are of the electromagnetic variety, and for good reason: they’re powerful. But there’s a type of motor that was invented before the ...

[Tom Stanton] wanted to see if supercaps have any practical use on e-bikes, and built a DIY electric motor in the process. One of the problems with supercaps is the rapid voltage drop during ...

Powered by a combination of internal-combustion engines and electric motors, this is what you need ... discoveries, and DIY tips sent every weekday.