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August 2 2014

Hummingbirds edge out helicopters in hover contest


When it comes to flight, nature just has the edge on engineers.

This is according to a study comparing hummingbirds with one of the world's most advanced micro-helicopters.

Researchers found that - in terms of the power they require to lift their weight - the best hummingbird was over 20% more efficient than the helicopter.

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