While they may not be as fluffy as man's best friend, a trio of quadrotor robots have learned to play catch.
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Researchers in Switzerland attached a net to the quadrotors, which cooperate to catch objects thrown their way. The drones then slingshot the objects back up, and try to retrieve them again.
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The scientists created algorithms that help the bots learn in real time, thereby increasing their accuracy after repeated throws. Even for quadrotors, practice makes perfect.
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This story originally published on Mashable here.