Small flying microchips could ride the wind to track air pollution

Researchers from Northwest University designed tiny winged microchips about the size of sand grains – the smallest flying devices ever made by humans. They’re build to be carried around by the wind and could be used in numerous applications including disease and air pollution tracking, according to a paper published by Nature. Inspired by spinning seeds of cottonwood the tiny flying platforms can be spread a long distance, but are still large enough to carry electronics, sensors, and power sources.  Read more

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