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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.

Fluid gears rotate without teeth, offering new mechanical flexibility

A team of New York University scientists has created a gear mechanism that relies on fluids to generate rotation. The ...
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Scientists put teeth into water-driven gears

A team of New York University scientists has created a gear mechanism that relies on fluids to generate rotation. The ...