A sea creature extinct for half a billion years inspired a new soft robot

Plenty of robots are inspired by existing animals, but not as many take their cue from extinct creatures. To design their own new machine, Carnegie Mellon University researchers looked over 500-million years back in time for guidance. Their result, presented during the 68th Biophysical Society Annual Meeting, is an underwater soft robot modeled after one of the sea urchin’s oldest ancestors.

be/FL_dXTRPDyE To the casual viewer, footage of the mechanical monster clumsily inching across the ground may seem to hint at why the pleurocystitid is long gone. But according to Richard Desatnick, a Carnegie Mellon PhD student under the direction of mechanical engineering faculty Phil LeDuc and Carmel Majidi, the ancient animal likely deserves more credit.

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