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Sep 22, 2021

Winged Microchip Is Smallest-Ever Human-Made Flying Structure — The Size of a Grain of Sand

Posted by in categories: biotech/medical, computing

The size of a grain of sand, dispersed microfliers could monitor air pollution, airborne disease, and environmental contamination.

Northwestern University engineers have added a new capability to electronic microchips: flight.

About the size of a grain of sand, the new flying microchip (or “microflier”) does not have a motor or engine. Instead, it catches flight on the wind — much like a maple tree’s propeller seed — and spins like a helicopter through the air toward the ground.

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