Flying Microchips The Size Of A Sand Grain Revealed By Northwestern Univ.

It's not a bird or a plane, it is actually a winged microchip that is as small as a grain of sand and can be carried by the wind as it monitors things like pollution levels or the spread of airborne diseases. These tiny micro-fliers were developed by engineers at Northwestern University and were the subject of an article published this week and are being called the smallest human-made flying structures, ever!

These microfliers are bioresorbable and can dissolve and disappear!

SMD On Finger - Technology In Your Hand

Photo: Getty Images

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