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Scientists develop ultra-thin battery for smart contact lenses that could be charged by tears

Scientist Lee Seok Woo said a scene from a "Mission Impossible" movie inspired his latest invention: batteries for smart contact lenses.In the fourth film...

Scientists develop ultra-thin battery for smart contact lenses that could be charged by tears

The ultra-thin battery is about 0.2 millimeters thick, making it thin enough to fit inside a 0.5 millimeter contact lens.The battery is powered by...

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