I love using old machine parts for my projects; often their workmanship surpasses that of anything new, and you can get them cheap or even free. Find a junkyard full of ancient, rusty industrial equipment, and you can build almost anything — or at least be inspired to, which is half the battle! But many […]
This think-small washer needs no electricity or running water.
Use a solar-powered motor and a shade to follow the sun, maximizing its energy.
Magnetic stirring on the cheap!
A hollow bolt hides secret messages.
Make your own nails and other small iron parts with this simple micro forge.
Makey is an autonomous robot programmed to follow objects around and avoid obstacles. It has a fully enclosed chassis and uses tank steering.
