Essays on Science and SocietyTranslational Medicine

The future of bionic dynamos

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Science  02 Dec 2016:
Vol. 354, Issue 6316, pp. 1109
DOI: 10.1126/science.aal2190

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Summary

Millions of lives rely on implantable medical devices. At present, the power sources (typically batteries) for such devices are rigid and bulky and must be changed frequently. Users are often forced to undergo a surgical procedure each time the battery needs to be changed, which are accompanied by health risks and high costs.