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What color is water?

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Uploaded on Jul 26, 2006

Filming on a gray overcast day. I debunk the common misconception that water's blue color comes from the reflected sky. The distant ocean here looks DARK BLUE with gray reflections, yet the sky is gray. The visible reflections are gray, yet this doesn't stop the water looking blue. Also we see many shades of blue-green and blue in the spots where white bubbles are mixed in. With a gray sky!

In fact, WATER IS A GENUINELY BLUE CHEMICAL, although thin layers under 3ft do appear colorless. Water is very strongly colored in the infrared band, and the "tails" of the IR absorption curves spread into the visible spectrum, making water colored. As with window glass, if we look through a layer many feet thick, we'll discover its true color. To see the real color of any transparent substance, just hold a thick layer of that substance in front of a white background such as white beachsand or a swimming pool painted white. Here the white background is the white foam kicked up by the ship's props.

For the science behind water's blue color, see:

http://www.lsbu.ac.uk/water/vibrat.ht...

http://www.dartmouth.edu/~etrnsfer/wa...

http://en.wikipedia.org/wiki/Color_of...

http://www.webexhibits.org/causesofco...


Note: Trolls & spammers blocked immediately. Zero tolerance.

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