If you were not aware, LEDs can also work in reverse: they deliver tiny amounts of current, in the microamp range, when illuminated. If you look on YouTube you can find several videos of solar panels ...

It has been a long haul, but I finally have the motor in my '67 Beetle EV conversion. I've had one setback after another, but I expected it to be the most technically challenging part of the job and I ...

[Joe Barnard] made a solid propellant rocket motor, and as one does in such situations, he put it through its paces on the test stand. The video below is not about the test, nor is it about the ...

Now that I've purchased a car to convert to electrical power, the next big step is finding an electric motor. Everything I've learned during my crash course in EV conversions suggests the most ...

Discover how to build a compact DIY disk sander using an old electric motor. This step-by-step guide shows all phases, from preparing the motor and cutting wood for the sanding disk to fabricating a ...