Robot jellyfish to monitor the coral reefs
- 19 September 2018
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A very promising project of a fleet of robotic jellyfish has
been designed to monitor delicate ecosystems, including the coral reefs.
The design is intended to be less environmentally disruptive than a drone submarine, according to Prof Erik Engeberg, of Florida Atlantic University.
To move, the robots use eight silicon rubber tentacles powered by pumps. Water flows into the tentacles, filling them up and then - as the pumps are switched off - it flows back into the surrounding sea again. This propels the robot jellyfish forward and produces a lifelike flapping motion.
The only drawback is that the man-made jellyfish might be eaten by turtles and other sea mammals. Prof John Turner, a marine biologist at Bangor University proposed that the designers should consider adding an acoustic warning device, or giving the jellyfish an "unpalatable taste".
You can read more details about that project in this very interesting article by BBC Tech news