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Are you done with taking selfies? Then it is time for you to move on to “thermie,” or as many like to call it, the “hottie.” The term refers to taking a picture of the heat emanating from one’s body, using an infrared camera which is attached to the back of an iPhone. Sounds unlikely, but it’s almost here!

Apple stores started rolling out its $349 FLIR One in stores this week, which puts thermal imaging within reach of people who probably have never even imagined anything even close! Opening up a new world altogether, the technology shows warm things bright on the iPhone screen, while cold things appear dark.

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The striking feature is the sensitivity of the camera, which is that if two objects differ by one-fifth of a degree Fahrenheit (0.1 degree Celsius), the camera can make out the difference. Amazingly, you can even spot the footsteps of a person who just walked across a carpet. The technology which has available to the armed military for ages, has now crept into the hands of common man!

Not so surprisingly, the cheapest stand-alone infrared camera costs $995 and doesn’t feature the apps that our smartphones packs up. The FLIR One is made for use with an iPhone 5 or iPhone 5s only, and has its own rechargeable battery.

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The heat sensing device has low resolution, at just 80 by 60 pixels, or 4,800 pixels, whereas the iPhone’s rear camera is more than 1,600 times sharper at 8 megapixels.

Imagine this: “Hi everyone, this is what my fever looks like!” Hey! This doesn’t happen! 😛

While fever selfies might sound like a fun idea, but this can’t be used as a fever thermometer. Also, it doesn’t read temperatures over the boiling point of water. The bargain is that the device is likely to tire you soon, and is expensive, at more than half of the iPhone’s retail price.

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