Seeing behind smoke and flames is tough to do, but it’s crucial for emergency responders like firefighters, who need to be able to tell if people are inside a burning building. To solve the problem, researchers at Italy’s National Institute of Optics have come up with a technique that one-ups conventional infrared camera technology by ditching an optical lens in favor of a laser, using infrared light to build a clear picture of what’s happening inside. The results were published in Optics Express .
via The Verge - All Posts http://www.theverge.com/2013/2/27/4034968/firefighters-see-through-fire-with-infrared-holography
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