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Researchers have devised a way to charge smartphones with ambient light

The cost-effective, foldable sheets are composed of a unique conductive plastic that can capture energy from both solar and artificial light.

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futurism.com
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KingPin30d ago

instead of finding new ways to charge my phone, why not find a battery that makes my phone last a week on one charge.
that way people wont mind a normal cable charger as much.