Robotic fish developed by scientists at the University of Essex in the U.K. are soon to evolve from engineering curio to actual tool when they go on a world-first mission off the coast of Spain. As ...

LONDON — A school of mechanical, battery-powered robots in the shape of fish will be released into a Spanish port to help monitor pollution there, scientists said Friday. The 5-foot-long robots work ...

LONDON -- A school of mechanical, battery-powered robots in the shape of fish will be released into a Spanish port to help monitor pollution there, scientists said Friday. The 5-foot-long robots work ...

Robotic fish developed by scientists at the University of Essex in the U.K. are soon to evolve from engineering curio to actual tool when they go on a world-first mission off the coast of Spain. As ...