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3-D TV

Binocular vision evolved for dealing with objects on the order of a couple of meters, or less, away. It helps us grab things within our reach, dodge things that might hit us, and in modern times perform crafts. Most scenes in movies appear much farther away than the effective range of binocular vision. We sense depth (range) by perspective and apparent size of objects. Thus 3-D movies and TV are mainly a gimmick where we say Wow! when something appears to jump out of the screen at us. After a little while the novelty wears off. That's why 3-D movies have arisen about once a generation. The kids and teenagers are briefly impressed. but only for their first couple of films. Buying a TV, however, is at least a ten-year investment.

How many times have you gone to a movie and left saying, "Gosh, I would have enjoyed it so much more had it been in 3-D?"

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