Twitter opens up polls to everyone

If you've been wondering which candy your Twitter followers prefer -- Red Vines or Twizzlers, -- the social networking company has your back. Starting today, the micro-blogging service is rolling out its poll feature to iOS, Android and on Twitter....

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Researchers build a cheap camera that sees what we can't

Normally, our eyes can see things better than our cameras, which is why those smartphone shots of a full moon at night are so bad. Hyperspectral imaging is a way to fix that, since it can capture parts of the electromagnetic spectrum, like near-inf...

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