Entertainment / Photography / Polarization: Light said to travel in a a wave motion along a straight path, vibrating in all directions. Polarization can be brought about with a polarizing filter which causes light to vibrate in a single plane only. Polarizing filters are used over camera lenses and light sources to reduce or remove specular reflection from the surface of objects.
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Technology / Motors / Polarization Test: A ratio of a one-minute meggar test (see Meggar Test) to ten-minute meggar test. Used to detect contaminants in winding insulation done typically on high voltage, V.P.I. motors which are tested by wat MORE
Entertainment / Photography / Crossed Polarization: System of using two polarizing filters, one over the light source and one between the subject and the lens. With certain materials crossed polarization causes bi-refringent effects which are exhibited MORE