Is perpetual energy possible?
The debate rages on. And they just keep trying.
This particular device may not be perpetual, but it is far more efficient than, say a homopolar motor.
The magnet in this device, the creation of our friend HowieD, propels the rotation, powering the LED.
Ok, ok... our minds are blown, too.
Oh... and if you're working from home these days, be sure to check out Gadget Hacks' Working-From-Home Essentials.