Daniela Rus's Robotic Sand

Grains of Sand That Think
A cluster of Rus's pebble-size robots Photograph by Jesse Burke for Bloomberg Businessweek

History holds lessons, even for those designing futuristic robots. Daniela Rus, a computer scientist at the Massachusetts Institute of Technology, found inspiration in Michelangelo’s statue of David. “David came out of the marble, and we thought we could also make things appear out of a block,” she says.

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