ANIMAL ROBOTS: Marine Machines Made in Nature's Image

ANIMAL ROBOTS: Marine Machines Made in Nature's Image
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A child watches a jewel-like robotic fish in the London Aquarium on October 7, 2005.

Five similar fish will soon be patrolling the coast of Spain, searching for pollutants in the water.

The 4.9-foot (1.5-meter) long robots, currently being built by the University of Essex, U.K., will be improvements on the model seen above. Longer battery life and more advanced sensors will allow each fish to spend about eight hours at a time exploring the port of Gijon, then automatically report to a charging station to report its data wirelessly.
— Photograph by Adrian Dennis, AFP/Getty Images
 
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