Sunday, February 11, 2007

Question of the week

How do light bulbs unscrew themselves? This can't be only be happening to me. My lamps are really old and rickety for the most part but I don't think that's the reason that I have to retighten the bulbs every once in while. Sometimes I think the bulb is out and discover it's just not twisted in far enough. And today I changed a bulb that did burn out but it was only one twist away from unscrewing itself and leaping to the floor.

Are my lightbulbs just suicidal or is there a scientific explanation for this do you think?


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