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Objects fairly leapt from the screen as the Engineering Society viewed three-dimensional color movies at a meeting in Pierce Hall last night. The effect of these pictures was so realistic that onlookers had the sensation of gazing at a scene through a window rather than seeing a picture projected on a screen.
The movies were presented by George W. Wheelwright '24, representative of the Polaroid Corporation which is developing light control by polarization, for commercial purposes.
According to Wheelwright, polarization for practical uses is still in the experimental stage. Its principle is to limit the vibrations of light waves to one direction by means of a newly developed acetate composition in which are embedded crystals of microscopic size to act as "optical slots." These "slots" serve to polarize the light.
Every phenomena in which light and glass are involved will be affected by this discovery. Of primary importance will be its practical application in eliminating 90 percent of headlight glare of oncoming cars. However this can be achieved only when Polaroid is in general use for, in order to be effective the wind shield must be polarized as well as the glass in auto headlamps.
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