25 best real robots

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Robo-fish

A sub-aquatic robo-fish might not sound that useful without a spear-gun and a whole bunch of attacking sharks. In reality it could help save our oceans by hunting down and reporting pollution. Robo-fish will constantly patrol harbours – in teams if their AI deems the threat necessary – keeping track of any chemicals that may be leaked by vessels, a great deal better than current once-a-month checks.

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