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Scoop.it!
"New power sources bear a shocking resemblance to the electricity-making organs inside electric eels. These artificial electric eel organs are made up of water-based polymer mixes called hydrogels. Such soft, flexible battery-like devices, described online October 13 in Nature, could power soft robots or next-gen wearable and implantable tech." 
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Scoop.it!
"Ghost knifefish, as they are known, put a small current through the water to sense their environment, and undulate a long fin to move around. Scientists at Northwestern University, US, believe both features could be harnessed in a new class of autonomous underwater vehicles. They are developing robots that will be able to swim around debris in total darkness, such as inside a sunken ship."
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