For those who want to make their own wind...
http://www.parrot.com/usa/products/minidrones/hydrofoil-drone/newz/
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Bill Herderich
For those who want to make their own wind...
http://www.parrot.com/usa/products/minidrones/hydrofoil-drone/newz/
Bill Herderich
I think this looks more promising.
There are a few kinks to work out, like going upwind, but give em time.
What happens in a black hole stays in a black hole.