Disruptions: Medicine That Monitors You - NYTimes.com - 0 views
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researchers and some start-ups are already preparing the next, even more intrusive wave of computing: ingestible computers and minuscule sensors stuffed inside pills.
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some people on the cutting edge are already swallowing them to monitor a range of health data and wirelessly share this information with a doctor
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does not need a battery. Instead, the body is the power source. Just as a potato can power a light bulb, Proteus has added magnesium and copper on each side of its tiny sensor, which generates just enough electricity from stomach acids.
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