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Here's how to make a 3D display for cell phones and LCD screens - From the site: "We present a novel, inexpensive, stereoscopic technique for generating 3D images from cellophane on a liquid crystal displays which are most typically used for a laptop screen or a camera phone screen. Stereoscopy requires independent manipulation of the left and right eye views. Our technique takes advantage of two facts; the first is that the light from the liquid crystal display of either a laptop computer or a camera phone is polarized light, and therefore we can easily manipulate its transmission with a polarizer sheet. The second fact is that a cellophane half-waveplate can change the direction of polarization of light." [via] Link.
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I tried out some of the ideas on this page quite awhile ago and they actually worked pretty well. If you want to play PC games by using this method be sure you have an Nvidia graphics card. Go to the support section on the Nvidia site and download the Stereo 3D drivers. Just be sure not to play for too long, your eyes will get really, really tired.
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