Instant Egghead Guide by Brian Clegg

Author:Brian Clegg
Language: eng
Format: epub
ISBN: 9780312592103
Publisher: St. Martin's Press

ON THE FRONTIER

There are more complex polarizations called circular and elliptical polarization that rotate as the wave moves along. When taking the photon view of light, each photon has a polarization: it is a quantum property of the photon (like its spin) with an associated direction.

COCKTAIL PARTY TIDBITS

American student Edwin Land became fascinated by polarized light while at Harvard in 1926. It was known that reflected light was partly polarized. Land felt that the polarization effect had commercial value. Still only 18, he took a leave of absence from Harvard. The result of his experiments was Polaroid, a plastic sheet with polarizing crystals embedded in it. By 1937, his garage laboratory had become the Polaroid Corporation. The glare that irritates motorists or ruins photographs can be cut down dramatically with a piece of Polaroid material in the right orientation.

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