Bee-sized aircraft a step closer

An aircraft the size of a bee has taken a step closer to reality, according to scientists who have discovered the secret of insect flight.

A team of experts has been studying insects in the hope of discovering groundbreaking ways to build very small aircraft. Engineers have found that many insect wings have a flexible shape that increases the amount of thrust and makes flying easier and more efficient.

The aircraft would allow them to be used in traffic monitoring, border surveillance, fire and rescue operations and as spy planes.


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