Polarization: Light Waves, Rainbows, and Cheap Sunglasses
published: June 7, 2010, recorded: January 2003, views: 2160
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In this lecture taped before a live audience of elementary and middle school students and their families, MIT Physics Professor Walter Lewin explains polarization, and demonstrates properties of light in rainbows, smoke and the sky. He answers the perennial question, "why is the sky blue?" and creates a red sunset in the laboratory.
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