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Meet The Robot That Runs Faster Than Usain Bolt
A two-legged robot that can run faster than Usain Bolt and even dodge obstacles has been unveiled by researchers.
The Raptor was created by the Korea Advanced Institute of Science and Technology (Kaist) and has a balancing tail and blade legs similar to those used by amputee athletes.
It helps it to reach a top speed of 28.58mph (45.99kph) - faster than Bolt's record-breaking 27.44mph (44.16kph) sprint.
The fastest robot in the world - the Boston Dynamics Cheetah - gallops at more than 29mph, but has four legs rather than the Raptor's two.
Researchers were inspired by velociraptors, the dinosaurs that chased down prey in packs, attacking with razor-sharp claws.
The Raptor uses one motor per leg and relies on an Achilles tendon system for shock absorption and energy recovery during motion.
It is made of lightweight composite material and weighs about 12kg.
At the moment it can only run on a treadmill, but the research team has plans to make the robot able to run on other flat surfaces.