The problem with wind power is that it stops generating when the wind drops.
If only you could find a consistent, strong source....well, actually, there is such a source: The higher you go, the better it gets.
So-called high altitude winds are the next target for wind turbine designers. No, they're not planning on building even taller turbines, they're looking at ones on mountains and even airbourne versions.
The latter is pretty interesting. They're still just concepts, but the idea is to send up giant kites with turbines mounted on them (see picture above). Weird, but at least one company (Joby) thinks they can do it. More here.
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