Solar Chimneys
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The Guardian - World
Green roofs and solar chimneys are here – experts say it’s time to use them
Builders already have the tools needed to build cooler homes for an increasingly hotter world. The US sweltered under record-breaking heat this year, with new research suggesting that air ...13 hours ago -
Wired - Tech
Solar Sails and Comet Tails: How Sunlight Pushes Stuff Around
It seems crazy, but light actually exerts a physical force on objects. It could power a new generation of spacecraft for deep-space missions.13 hours ago