Description: Abstract. Looking up ? you realize that one of the twelve light bulbs of your living
room chandelier has to be replaced. You turn electricity o?, move a table to the center
of the room, put a chair on top of the table and, new bulb in hand, you climb up on
top of the chair. As you reach the chandelier, you notice that. . . all bulbs look alike
and that you have forgotten which bulb needed to be changed.
Restart all over again?
Luckily, an e?ortless creative solution exists. By just touching the light bulbs you can
determine the cold one and replace it! Put di?erently, information about the device’
malfunction leaked-out via its temperature...
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