Article: Consumer Physics’ $150 smartphone spectrometer can tell the number of calories in your food

Would you like to be able to look up the calorie content of the specific apple you're eating? You could take it to a lab and run it through a spectrometer, but accurate spectrometers are huge, expensive machines that are often only owned by institutions and require training to use. A new startup,...

http://gigaom.com/2014/04/29/consumer-physics-150-smartphone-spectrometer-can-tell-the-number-of-calories-in-your-food/

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