It is no secret that cockroaches can survive underwater for under 30 minutes. Harvard researchers have built a cockroach inspired robot that can do better. It can not only walk on land and swim on the surface of the water, but it can also walk underwater.
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Swimming cockroach-inspired robot
The above videos show how the robot can transition from land to water. It uses partially submerged pads to paddle on the surface of the water. When it reaches a dry floor, it starts walking normally.
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