A nice thing about having a small collection of old cars is the chance to actually drive them once in a while. This may sound ...

In fact, it doesn’t use electromagnets at all. This one is 3D printed and hand cranked. It’s a clever use of a cam system to set the segments for each digit (0-9) makes it a perfect entry in ...

from the hand-crank mechanisms that make the lens spin to the pressurized kerosene burner system that keeps the mantle glowing and visible from as far as 15 miles offshore. 'Slow Down, You're In ...

Chain link fences are woven with a mechanism that is almost hypnotic to watch, so [Levsha] decided to build his own tiny hand-crank tabletop version to make tiny copper wire fences. Chain link ...