How a graphene tattoo could guard your health

A graphene-based tattoo that could duty as a wearable electronic device to guard health has been grown during a University of Texas.

Gold is mostly used in electronic components, though graphene is some-more conductive, can be hundreds of times thinner and allows a tattoo to fold naturally with skin.

It is hoped that as a cost of graphene falls, such tattoos will turn affordable for medical use.

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