Researchers invent device that generates light from the cold night sky — here's what it means for millions living off grid
from The Conversation
More than 1.7 billion people worldwide still don’t have a reliable electricity connection. For many of them, solar power is their potential energy savior — at least when the sun is shining. Technology to store excess solar power during the dark hours is improving. But what if we could generate electricity from the cold night sky? Researchers at Stanford and UCLA have just done exactly that. Don't expect it to become solar's dark twin just yet, but it could play an important role in the energy demands of the future.
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