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12 October 2016

Non-toxic batteries

Medical visionaries believe that we’re not far from the day when doctors will routinely give us edible electronic devices to swallow which will diagnose or even treat various diseases. But how does one power these tiny machines without having to worry about how long they’ll survive in the body and whether they are potentially poisonous? One team of scientists is making progress with edible, non-toxic batteries made out of melanin pigments which occur naturally in the skin, hair and eyes. These devices would simply dissolve after having done their job.

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