A pedal-powered submarine capable of diving up to 30 metres has been developed by a Russian company. The craft can be powered by two people with no specialist training and moves at about walking pace.
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Sat, 01/02/2010 - 10:20am
A pedal-powered submarine capable of diving up to 30 metres has been developed by a Russian company. The craft can be powered by two people with no specialist training and moves at about walking pace.