Holy Robot Bat Ray!

Behold Mantabot! Engineers at the University of Virginia have crafted a seaworthy mechanical ray that may usher in the next generation of autonomous oceangoing robots.

Inspired by our favorite undersea flyer, the robot ray mimics the graceful flap and glide swim style of batoid rays, a group that includes stingrays and manta rays.

Rays use a beautiful swim style that offers a lot of bang for their buck, which is why engineers were interested in mimicking them. Indeed,..

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