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Imagine a swarm of robots rushing to complete an urgent job, such as cleaning up an oil spill or assembling complex machinery. At first, adding more robots speeds things up. But after a certain point, the space becomes crowded, robots start interfering with one another, and overall progress slows.
This raises a simple but important question: in a limited area, how many robots can you deploy before efficiency starts to drop? Researchers at Harvard believe they ...

4 days ago
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