April 15th, 2010

Polar Bear Warmth

Even a polar bear has to keep warm. Part of its heat is produced in the daylight by the sun shining on its fur. The fur consists of clear, hollow hairs which are very similar in design to fiber optics. Sunlight penetrates these fibers and the warmth from the sun is transferred directly into the body. The hollow hair also provides a dead air space for  insulation, thus helping the polar bear stay warm longer. Is it fair to say that since fiber optics are highly designed, so are polar bears?


Dave Nutting

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