Quote:
Originally Posted by Thom Yorke
If there's no time limit you could turn one switch on and leave it on for a long time. Then turn it off. Then you could flip another one on and run into the room right away. If it's off but warm, it's the switch you turned on first. If it's on, it the one you flipped on last. If it's neither, it;s the other one.
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The ****? Are you really telling me your not Googling these? This one took me a hell of a while to figure out, the one in the OP I never figured out and had to look up the answer.