Harvard researchers have created a swarm of 1,024 small robots that work together as a team to form shapes or move, herd-like, toward a light source.
These three-legged robots, called Kilobots, weigh as much as three nickels and cost just $14 a piece to make. Other researchers have been working with swarms in hopes of one day having an army of tiny robots that can go into rubble after an earthquake to find victims, or squeeze into other areas where humans can't go, but those swarms have topped out at 100.
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