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Old 12-08-2012, 10:32 AM   #1 (permalink)
Xist
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Polarized Filters

In physics our professor explained and demonstrated how they work and I had some understanding before, but when he rotated one filter superimposed on another, I had an idea.

If you had round windows on your house or... portholes on your ship :P, instead of having shades, could you attach one filter to your window and frame the other one to rotate as you desire?

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