MIT researchers have designed and built an impressive fish robot, we learned via CrazyEngineers.
The robot moves underwater autonomously and can accurately replicate a high-speed manoeuvre called the C-turn, which its living fish counterparts use to evade prey. MIT’s creation can pull off the move in 100 milliseconds, exactly the amount of time required for a biological fish to execute it. Here it is, mid-manoeuvre:
This is a branch of robotics referred to as “soft robotics” — not only is the fish’s hardware protected by a soft outer covering, but the fishbot makes use of a fluid (in this case compressed CO2) to “swim” through the water by rhythmically wiggling in time. It can even be steered remotely.
See the robot in action:
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