Chris Harrison

I'm an Associate Professor of Human-Computer Interaction at Carnegie Mellon University , directing the Future Interfaces Group . My research group creates new sensing and interface technologies that open new modes of interaction between humans and computers. These efforts often lie in emerging use domains, such as…

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Using an LCD’s poor viewing angle to your advantage

2011308 points28 comments Hardware & Electronics details

When viewing LCD monitors from an oblique angle, it is not uncommon to witness a dramatic color shift. Occasionally, this can appear as a total color inversion. This is primarily caused by a polarization asymmetry, where light rays passing through the pixel matrix at oblique angles are influenced by the relative…