Scientists Create Robots Smaller Than a Grain of Sand:
They run on light and are the world’s smallest, fully programmable, autonomous devices
wsj.com/science/scientists-create-robots-smaller-than-a-grain-of-sand-c3081fd0
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granular material composed of finely divided rock and mineral particles, sand particles range in diameter from 0.063 to 2 mm (per ISO 14688)
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Scientists Create Robots Smaller Than a Grain of Sand: They run on light and are the world’s smallest, fully programmable, autonomous devices
wsj.com/science/scientists-create-robots-smaller-than-a-grain-of-sand-c3081fd0
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