NTT Docomo’s Cases Make Smartphones Measure Radiation, Body Fat, Alcohol

These jackets essentially turn smartphones into dosimeters, and there are three of them: one to measure radiation, another that keeps track of the user’s body fat and muscle bulk, and a third model that measures the alcohol content in the user’s body (plus bad breath).

http://techcrunch.com/2011/09/22/ntt-docomos-cases-make-smartphones-measure-radiation-body-fat-alcohol/