Seems like it wasn’t all that long ago when any kind of human-powered flight was a very ambitious goal.
The Snowbird Human-Powered Ornithopter was designed and constructed by a team of students from the University of Toronto. On August 2nd 2010 it sustained level flight for 19.3 seconds, becoming the world’s first successful human-powered ornithopter.
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More info at hpo.ornithopter.net.
Via a tweet from @bruces.