Board Thread:Fun and Games/@comment-27941698-20160327210827/@comment-26272757-20160531191316

ACroPoL NEP. wrote: Switch on switches 1&3, wait a minute, switch off switch 1 and walk into a room. In one the light will be on, in second the bulb will be hot, and in third it will be cold. A GENIUS HAS SPOKEN.

You knew this one before, didn't you?