It turns out piloting a human-powered helicopter takes a lot more than just pedaling your ass off.
via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/XdU2SmoOHVA/
via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/XdU2SmoOHVA/
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