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on March 11, 2008
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Ask YC: What have you learned that rocked your wor...
Stack three polarizers. Orient #1 and #2 parallel, orient #3 perpendicular. See no light come through.
Rotate #2 to 45 degrees. See light come through.
Remove #2 completely. See no light come through.
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Rotate #2 to 45 degrees. See light come through.
Remove #2 completely. See no light come through.