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Researchers invent device that generates light from the cold night sky – here’s what it means for millions living off grid
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<blockquote data-quote="cheryl" data-source="post: 1557" data-attributes="member: 1"><p><a href="https://theconversation.com/researchers-invent-device-that-generates-light-from-the-cold-night-sky-heres-what-it-means-for-millions-living-off-grid-123464" target="_blank">Researchers invent device that generates light from the cold night sky – here’s what it means for millions living off grid - The Conversation</a></p><p></p><p>More than <a href="https://www.infoplease.com/math-science/earth-environment/living-off-the-grid" target="_blank">1.7 billion people worldwide</a> still don’t have a reliable electricity connection. For many of them, solar power is their potential energy saviour – at least when the sun is shining.</p><p></p><p>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.</p><p></p><p>The technology itself is nothing new – in fact, the principles behind it were discovered <a href="https://www.sciencedirect.com/science/article/pii/S2211285512002078" target="_blank">almost 200 years ago</a>. The device, called a thermoelectric generator, uses temperature differences between two metal plates to generate electricity through something called the Seebeck effect. The greater the temperature difference, the greater the power generated.</p></blockquote><p></p>
[QUOTE="cheryl, post: 1557, member: 1"] [URL='https://theconversation.com/researchers-invent-device-that-generates-light-from-the-cold-night-sky-heres-what-it-means-for-millions-living-off-grid-123464']Researchers invent device that generates light from the cold night sky – here’s what it means for millions living off grid - The Conversation[/URL] More than [URL='https://www.infoplease.com/math-science/earth-environment/living-off-the-grid']1.7 billion people worldwide[/URL] still don’t have a reliable electricity connection. For many of them, solar power is their potential energy saviour – 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. The technology itself is nothing new – in fact, the principles behind it were discovered [URL='https://www.sciencedirect.com/science/article/pii/S2211285512002078']almost 200 years ago[/URL]. The device, called a thermoelectric generator, uses temperature differences between two metal plates to generate electricity through something called the Seebeck effect. The greater the temperature difference, the greater the power generated. [/QUOTE]
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Researchers invent device that generates light from the cold night sky – here’s what it means for millions living off grid
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