Scientists have engineered the first autonomous robot that can fly like a bat. It has an ultra-thin membrane stretched over a carbon-fiber skeleton, an onboard computer and five motors, yet only weighs as much as two golf balls.

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Scientists have engineered the first autonomous robot that can fly like a bat. It has an ultra-thin membrane stretched over a carbon-fiber skeleton, an onboard computer and five motors, yet only weighs as much as two golf balls.