A diode allows current to travel in only one direction. With that in mind, [Alex] built a mechanical diode that will only allow gear rotation in one direction to be transmitted through the system.

When linked together, gears amplify an input force to maximise an output force. In Nightingale, Mechanical Gears is considered a Component which means that it is an item primarily used in crafting ...

But these machines were by no means the first calculators, and [What Will Makes] shows us in detail the workings of a mechanical calculator. His machine is beautifully made with gears hand-cut ...

Japanese designer Haruki Nakamura makes moving ornaments completely out of paper, imitating movements seen in mechanical gears. The self-taught designer has videos that are instructional ...