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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To make fluid flow in one direction down a pipe, it helps to be a shark

Flaps perform essential jobs. From pumping hearts to revving engines, flaps help fluid flow in one direction. Without them, keeping liquids going in the right direction is challenging to do.
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US scientists invent water-driven gears for robots and machines that resist wear

“We invented new types of gears that engage by spinning up fluid rather than interlocking teeth—and we discovered new ...
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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 ...