Janken, the robot with a 100% win ratio against humans who dare challenge it to a game of Rock Paper Scissors, now wins "virtually instantly" instead of having to wait 20ms. How? It cheats.
From the BBC:
It uses high-speed recognition and reaction, rather than prediction.
Technically, the robot cheats because it reacts extremely quickly to what the human hand is doing rather than making a premeditated simultaneous action as the rules state.
Taking just one millisecond (ms) - a thousandth of a second - to recognise what shape the human hand is making, it then chooses a winning move and reacts at high speed.
Version one completed its shape 20ms after the human hand; version two finishes almost simultaneously.
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