Strange And CoolStrange And Cool

Robots with fins, tails demonstrate evolution. (msnbc.com)

These swimming, shimmying ‘bots are not the hulking droids of years past.

By Michael Hill

POUGHKEEPSIE, N.Y. – Robots wag their tail fins and bob along like bathtub toys in a pool at a Vassar College lab. Their actions are dictated by microprocessors housed in round plastic containers, the sort you’d store soup in.

It hardly looks like it, but the two swimming robots were set loose in the little pool to study evolution, acting out predator-prey encounters from roughly 540 million years ago.

The prey robot, dubbed Preyro, can simulate evolution.

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