Robot jellyfish help protect endangered coral reefs

The robot can safely explore affected coral reefs and help protect the reef. The robot, with a rubber head and eight tentacles, was created by a 3D printer. According to the researchers, the robotic jellyfish is ten to fifty times more efficient than small underwater vehicles used to date.

It is more manoeuvrable, and “the soft, flexible exterior of the robot makes it ideal for operations near sensitive environments such as coral reefs, archaeological sites or even in waters full of swimmers,” write the experts in Science Robotics.

Replacement for divers

The device could replace divers in the future, for example when applying remedial substances to corals damaged by climate change. The robot has been tested in tanks and has yet to be used in real ocean conditions. After that, the makers hope to be able to apply the technology quickly.


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