Gears Have Powered Technology for Millenia. Scientists Just Made a Game-Changing Improvement.

A new study reimagines the 3,000-year-old technology using fluids, avoiding the most annoying limitations of teeth-driven ...
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This Touchless Gear System Uses Fluid Dynamics to Transfer Power and Rotation Without Any Teeth

Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

Liquid gears could challenge 5,000 years of mechanical engineering

The study, published January 13 in Physical Review Letters, replaces the metal or plastic cogs of conventional gears with controlled flows of liquid. In their experiments, ...