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This device harnesses the cold night sky to generate electricity in the dark

A prototype powered a small light-emitting diode in a trial run

night sky

A new device that harvests energy from the cold night sky could one day light up rooms, charge phones and power devices for people off the grid.

Ryan Hutton/Unsplash

By Maria Temming

- More than 2 years ago

A new device is an anti-solar panel, harvesting energy from the cold night sky.