Cardoso builds the flying machines, called the Parajet, in his barn in Dorset, southwest England.

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Umbrellas used as boats, umbrellas as flying machines, an umbrella forming the central stage.

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These are the four-propellor flying machines that utilize statistical learning techniques and artificial intelligence to fly autonomously.

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Within five years he expects to see a proliferation of flying machines being used in a variety of settings.

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What could be more wacky than Red Bull's Flugtag (flying day) contest, in which people compete to fly the farthest over water in homemade flying machines.

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Derner, who created the plane spotting site NYCAviation.com in 2003, said the hobby is growing more popular as more people are lured in by the magic of flying machines.

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Flying machines get us over very high mountains.

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Heavier-than-air flying machines are impossible!

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Even when nothing is moving or flying, the sound of machines is always audible over the performers, who wear oversized microphones to deliver their lines.

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Helicopters are expensive and delicate machines requiring heavy maintenance, especially when flying in dusty conditions.

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