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What are we seeing?
Asked by Ltryptophan (12091)
May 1st, 2010
When an air bubble floats to the surface of the water, it is bright and has a darker bottom with a tiny hint of light at the top. Since the air in the bubble is invisible, what then are we seeing when the bubble is floating? The surface tension of the water against the air? Are water bubbles just the water, rather than the air travelling through the water.
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