The prototype "jellyfish" flying robot (c) New York University
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Hovering drone inspired by swimming jellyfish

15 January 2014 Last updated at 06:39 GMT

Scientists have built what they say is the first flying machine that can hover in a stable manner by flapping its wings.

Previous designs for so-called flapping wing aircraft have mimicked the wing motions of insects, but the new design is based on the way jellyfish swim.

It was built by a team at New York University in America.

Footage courtesy of New York University