The world's first autonomous robotic fish are the latest attraction at the London Aquarium.  Biologically inspired by the common carp, the new designs can avoid objects and swim around a specially designed tank entirely of their own accord. This new kind of cyber-fish took three years to develop, by a team of scientists from Essex University.  Future generations may be used for seabed explorations, detection of leaks in oil pipelines, or even as spies. Although robotic fish have been investigated for the last 10 years or so, the creators of the new models claim theirs are the smartest yet.

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