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Game-playing robots and other cool stuff

Remember the game "rock, paper, scissors"? Well, if you plan on playing against a robot, expect paper to cover rock every time.

Developers at the University of Tokyo invented a high-speed robot hand that can recognize the motion of a human hand. Whether the person's hand signals scissors, rock or paper, the robot hand uses its ultrafast vision to always cut, break or cover its opponent—all in a matter of a millisecond!

Looks like the "Janken robot" will be the undefeated champion in this game from now on.

Check out this and some other cool tricks (cardboard rodeo, bike parkour and Tokyo's robot exhibition) in the latest episode of Geeked Out.

—By CNBC's Erika Santoro.

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