this post was submitted on 25 Sep 2025
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'Windmill': China tests world’s first megawatt-level airship to capture high winds (interestingengineering.com)
submitted 3 days ago by kalkulat@lemmy.world to c/technology@lemmy.world
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"High-altitude winds between 1,640 and 3,281 feet (500 and 10,000 meters) above the ground are stronger and steadier than surface winds. These winds are abundant, widely available, and carbon-free.

"The physics of wind power makes this resource extremely valuable. “When wind speed doubles, the energy it carries increases eightfold, triple the speed, and you have 27 times the energy,” explained Gong Zeqi "

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[–] CouldntCareBear@sh.itjust.works 2 points 3 days ago

Same as if you let go of a kite. It'll just tumble back down to Earth over some distance.