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Please turn off your computers … … we will play a little game first 

Please turn off your computers … … we will play a little game first . The Light Bulb Puzzle.

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Please turn off your computers … … we will play a little game first 

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  1. Pleaseturnoffyour computers……wewillplay a little game first

  2. The Light Bulb Puzzle In one room of a house are three separate switches (1, 2 and 3) that are connected in some order to three light bulbs (A, B and C) in a second room. Is it possible to visit each room once and only once and determine which switches control which lights? (You may not use a screwdriver or unscrew light bulbs to gather clues). ? A B C 1 2 3

  3. The Light BulbPuzzle • Hint #2 • Time is a factor in solvingthis problem…

  4. The Light Bulb Puzzle • Hint #2 • How can you tell if a light bulb has just been turned off?

  5. The Light Bulb Puzzle • Hint #3 • A light bulb can be • Turned on • Turned off, and cold… • Turned off, and warm…

  6. The Light Bulb Puzzle • Can you solve a four-bulb, four-switch version of this puzzle…?

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