Connecting all the shafts together to turn them into a continuous set of calculation outputs is a collection of gears, cams, racks, pins, and other mechanical elements that translate motion into ...

The teeth even have filleted curves at the base, a design incorporated into human-made mechanical gears because it reduces wear over time. To confirm that the gears performed this function ...

This advantage of gears is why they are found everywhere in human-made mechanical devices, from the gearbox of a car, to an old-time mechanical watch. In 2013 two British zoologists reported their ...

Researchers have discovered, for the first time, “mechanical gears” in nature. Juvenile planthoppers use a set of interlocking teeth, similar to cogs, to coordinate their legs as they jump.

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.

Adi Robertson is a senior tech and policy editor focused on VR, online platforms, and free expression. Adi has covered video games, biohacking, and more for The Verge since 2011. Gears are a ...