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In Depth

Cheetah robot bolts past Usain to break record

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Sept. 6 - A robotic cheetah designed for the US military, has broken its own speed record for a running robot, clocking 28.3 mph (52.4 kph) on a treadmill. The record beats its previous top speed by more than 10 mph (19 kph) and sets up field tests for a free-running cheetah later this year. Ben Gruber reports.

In Depth

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