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Robot gets trimmer, smarter

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Atlas, the humanoid robot created by Boston Dynamics, a company under the Alphabet umbrella that includes Google, has become untethered, trimmer, and smarter, CNN reports.


Atlas, designed to clean nuclear power plants and perform other feats that humans might consider risky, can open doors, walk through snow, place objects on a shelf and get up after being knocked down.


At 5 feet 9 inches tall and 180 pounds, Atlas is now 7 inches shorter and 120 pounds lighter than the first version. And gone is the need to tether the robot to a computer.


Atlas debuted in 2013 during a competition held by the Defense Advanced Research Projects Agency. The new version is the product of seven computer research teams from around the world hired to give the robot a better software brain.


Atlas uses sensors embedded in its body and legs to keep its balance. Lasers help the robot sense obstacles, navigate, assess terrain and move objects. It also has hydraulically-operated joints for when it comes time to survey surroundings, avoid obstacles, walk, climb stairs and dodge debris.