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Environment and energy

Environment and energy

Space-based solar power: could beaming sunlight back to Earth meet our energy needs?

27 Sep 2022

The notion of capturing sunlight in space and beaming it to Earth has long been the stuff of science fiction. But as Jon Cartwright discovers, governments around the world are now taking “space-based solar power” seriously as a potential solution to our energy needs

Artist impression of space-based solar power
(Courtesy: Mark Garlick / Science Photo Library)
The theoretical physicist Freeman Dyson once imagined an alien civilization that was so advanced tha

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Jon Cartwright is a freelance journalist based in Bristol, UK
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