These five Nexus One smartphones may seem to have defects, but there's actually nothing wrong with their AMOLED screens -- the funky colors are an attempt to improve battery life by turning off unnecessary sub-pixel LEDs. Hooking up his handset to an industrial power meter, Android engineer Jeff Sharkey discovered a blood-red screen drew 42 percent less current than full color -- the least of any combination by far -- purportedly doubling the effective battery life of the phone. While you're probably not going to be able to test the requisite software patch for yourself unless you're mildly familiar with Google code, you'll find a video of the crimson wonder after the break to fuel your dreams of a eyestrain-free astronomy cheat sheet... and Android bullfighting, of course.

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