Polarization. This article contains helpful diagrams and an obtuse but reasonabl... | Hacker News

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bri3d on April 21, 2014 | parent | context | favorite | on: How to Convert a Digital Watch to a Negative Displ...

Polarization.

This article contains helpful diagrams and an obtuse but reasonable explanation:

http://www.gizmag.com/stealth-computer-display-lcd-polarizin...

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