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How Do 3D Glasses Work? - Instant Egghead #22

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Oct 2, 2012
2:09

Ever wonder how new 3-D technology differs from the old red-and-blue glasses popular in the 1950s? Scientific American editor Larry Greenemeier explains--and makes a special appearance in 3-D. -- WATCH more Instant Egghead: http://goo.gl/CkXwKj SUBSCRIBE to our channel: http://goo.gl/fmoXZ VISIT ScientificAmerican.com for the latest science news:http://goo.gl/lHq0CH

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How Do 3D Glasses Work? - Instant Egghead #22 | NatokHD