Pretty cool if ya got $300+ to drop

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...FLIR ONE attaches to any Apple iPhone 5 or 5s* smartphone and displays a live thermal image on the phone's screen, giving users the unprecedented ability to see the world in a way the naked eye cannot, including in complete darkness. With a targeted MSRP of $349, FLIR ONE senses heat rather than light utilizing FLIR's revolutionary new Lepton(TM) camera core. This core incorporates the same FLIR(R) thermal imaging technology that has revolutionized the way the world thinks about security, public safety, energy efficiency, nighttime navigation, industrial production, preventive maintenance, and the enjoyment of the outdoors.
FLIR ONE's unique ability to see and measure infrared energy gives consumers a versatile new tool that can be applied in a wide variety of applications. For example, homeowners and contractors with a FLIR ONE can easily identify heat or cooling leaks in buildings, find studs in walls, or locate water damage. An outdoor enthusiast can observe wildlife, day or night, navigate in the dark, determine if the day's catch is fully cooked, or make sure a campfire is out by using FLIR ONE. A family can detect intruders in total darkness, find a lost pet, or see through smoke in an emergency using a FLIR ONE...
http://www.marketwatch.com/story/flir-systems-introduces-first-thermal-imager-designed-for-smartphones-2014-01-07?reflink=MW_news_stmp