Yellowstone's Hot Springs Could Be A Brilliant Blue If Tourists Didn't Throw Coins, Garbage

December 20, 2014 1:21 AM

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Researchers determined what Yellowstone's famous hot springs would look like if coin-throwing tourists had not contaminated them.

The researchers used a mathematical model based on optical measurements that assess what causes the brilliant colors seen in the hot springs, The Optical Society reported. In the past no mathematical model existed that showed the physical and chemical variables of the iconic pools.

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