Thursday, February 24, 2011

new tech article


Semi sub' the Bentley of glass-bottom boats


it was made in south koreas.  the compact  is more of a glass-bottom boat than a sub, but it's still pretty nifty. Protected by 20mm-thick  windows, the waterproof cabin hangs down from two  floats and serves as a mobile observation room.The two-seater, 12-foot craft is powered by two battery-operated. it was released last year 


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