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This Stretchable Battery Pack Wraps Around Anything And Charges Itself

This Stretchable Battery Pack Wraps Around Anything And Charges Itself

There’s one big obstacle holding back flexible electronics and conformable wearables, and that’s stiff and bulky li-ion batteries. Now, a team of scientists has developed a stretchable mesh of power cells that sticks to surfaces like a plaster to skin — and it can even charge itself.