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Canadian team's human-powered helicopter takes flight

12 July 2013 Last updated at 17:21 BST

A team of engineers from Canada has won a $250,000 (£165,000; 192,000 euros) prize for making the first human-powered helicopter.

The contraption - called Atlas - reached an altitude of 3.3 metres for 64 seconds under pedal-power, meeting a challenge set by the American Helicopter Society 33 years ago.

Roopa Suchak reports.

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