A winner of the National Geographic amateur photography competition this year. The caption is: "Well this photo is a perk of being an airline pilot.I got lucky to have captured this while descending into singapore.So many ships parked in a symmetrical way to get into the harbour along the coast."
The Mercury Wave is Like a Pendulum Wave, But Vertical
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Marcel Clemens made what he calls a mercury wave. Small bottles are
suspended on springs, each of them carrying a slightly different amount of
mercury....
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