Power from the people

Plugging gadgets into a socket in the wall, or loading them with batteries is how most of us think of getting electricity. But what about plugging them into your body?

It may sound far fetched, but under the shadow of the Alps, Dr Serge Cosine and his team at the Joseph Fourier University of Grenoble have built a device to do just that.

Their gadget, called a bio fuel cell, uses glucose and oxygen at concentrations found in the body to generate electricity.

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    BBC News