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Scientists invent micrometers-thin battery charged by saline solution that could power smart contact lenses(techxplore.com)

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Scientists invent micrometers-thin battery charged by saline solution that could power smart contact lenses::Scientists from NTU Singapore have developed a flexible battery as thin as a human cornea, which stores electricity when it is immersed in saline solution, and which could one day power smart contact lenses.

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