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Waterfall
Waterfall : fairy (mt.rainier park)
Location : washington
Height : 213 metres.      .. More >>

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Fact
The E. Coli bacterium propels itself with a 'motor' only one-millionth of an inch in diameter, a thousand times smaller than the tiniest motors built to date by man. The rotation of the bacterial motor comes from a current of protons. The efficiency of the motor approaches 100 per cent.      .. More >>