How we can turn the cold of outer space into a renewable resource

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June 1, 2018 Today's TED Talk How we can turn the cold of outer space into a renewable resource 13:27 minutes · TED2018 What if we could use the cold darkness of outer space to cool buildings on earth? In this mind-blowing talk, physicist Aaswath Raman details the technology he's developing to harness "night-sky cooling" -- a natural phenomenon where infrared light escapes earth and heads to space, carrying heat along with it -- which could dramatically reduce the energy used by our cooling systems (and the pollution they cause). Learn more about how this approach could lead us towards a future where we intelligently tap into the energy of the universe. Watch now »   Playlist of the Day Mind-bending questions from physics Fascinating talks that seek to unravel some of the most fundamental, yet unexplainable parts of the cosmos. Watch » 5 talks · Total run time 1:23:30 NEW ON IDEAS.TED.COM Want to discover (or re-discover) your sense of purpose at work? Here's how For us to make the greatest impact at our jobs -- and also feel the greatest satisfaction -- we need to tap into work’s deeper meaning, says Leah Weiss, a compassion expert and researcher. Read more » ​   Download the TED app

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