The secrets of a bug's flight

Researchers have identified some of the physics that may explain how insects can so quickly recover from a midflight stall -- unlike conventional fixed wing aircraft, where stalls often lead to crash landings. The analysis, in which the researchers studied the flow around a rotating model wing, improves the understanding of how insects fly and informs the design of small flying robots built for intelligence gathering, surveillance, search-and-rescue, and other purposes.

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