Free-Swimming Robotic Jellyfish

Free-Swimming Robotic Jellyfish
A robotic jellyfish able to swim without a tether offers inspiration for new forms of efficient, underwater propulsion.

Jellyfish are some of the most efficient underwater swimmers, but previous man-made examples required a tether to an external power source. As a more free-swimming option, the team from the Chinese Academy of Sciences created a robo-jellyfish made up of a rigid, bell-shaped head and a cylindrical main body covered in a soft rubber skin that contains four six-bar linkage mechanisms. As the linkage mechanisms bend and straighten, the body will also expand and contract—forcing the water out to create a jet propulsion.

Free-Swimming Robotic Jellyfish

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