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Science & Technology

Rock, paper, scissors robot always wins

By T.K. Randall
June 29, 2012 · Comment icon 25 comments

Image Credit: Youtube / IshikawaLab
Scientists in Tokyo have invented a robot that can never lose at a game of rock, paper, scissors.
Developed at the University of Tokyo's Ishikawa Oku Laboratory, the robot is able to beat an opponent every single time by recognizing the shape of that person's hand just one millisecond in advance - effectively cheating its way to victory.

"The wrist joint angle of the robot hand is controlled based on the position of the human hand," wrote the researchers. "The vision recognizes one of rock, paper and scissors based on the shape of the human hand. After that, the robot hand plays one of rock, paper and scissors so as to beat the human being in 1ms."
You cannot beat the Janken robot at rock, paper, scissors. The robot will always win. Also, Janken is the Japanese name of the rock, paper, scissors game.



Source: Sydney Morning Herald | Comments (25)




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Recent comments on this story
Comment icon #16 Posted by Alienated Being 12 years ago
I wonder if it can beat this one: Rock, paper, scissors and baseball bat.
Comment icon #17 Posted by CRIPTIC CHAMELEON 12 years ago
If it can spot & recognize your hand movement in 1ms what happens if you have parkinson's/tourette's does that mean you can beat it.
Comment icon #18 Posted by Timonthy 12 years ago
I don't know what the international rules are on partially extending fingers but I'm pretty sure they would have built failsafes to make sure to take that into account.
Comment icon #19 Posted by CRIPTIC CHAMELEON 12 years ago
Now that the japanese have built a robot hand are they going to put it with the buttocks they made earlier to see what happens. lol
Comment icon #20 Posted by Timonthy 12 years ago
Now that the japanese have built a robot hand are they going to put it with the buttocks they made earlier to see what happens. lol Eh of course they'll develop some weird sexual use for it.
Comment icon #21 Posted by Junior Chubb 12 years ago
If this machines cheats, it can be beaten by cheating back. This bodes ill once they invent sex robots. They are already here (don't ask me how I know this). If it can spot & recognize your hand movement in 1ms what happens if you have parkinson's/tourette's does that mean you can beat it. Cruel, but it did make me laugh.
Comment icon #22 Posted by csspwns 12 years ago
day 1 u are so happy tat u bought the robot. day 2 u get frustrated cuz u kept losing. day 3 u rage quit and get out your baseball bat. day 4 u are crying tat u destroyed the robot.
Comment icon #23 Posted by MindfieldzX 12 years ago
day 1 u are so happy tat u bought the robot. day 2 u get frustrated cuz u kept losing. day 3 u rage quit and get out your baseball bat. day 4 u are crying tat u destroyed the robot. how can you use the letter h in the word bought, and miss the letter h in every instance you use the word THAT. this is annoying to no end,delete your existance on the internet.
Comment icon #24 Posted by Beckys_Mom 12 years ago
From The Big Bang Theory.... Rock, Paper, Scissors, Lizard, Spock !
Comment icon #25 Posted by CRIPTIC CHAMELEON 12 years ago
how can you use the letter h in the word bought, and miss the letter h in every instance you use the word THAT. this is annoying to no end,delete your existance on the internet. Yes yes bring it on delete delete.


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