Sunday, February 24, 2008

99 Red Balloons

C's latest question is this: why does a balloon make a loud noise when you stick it with a pin and it pops?
I muttered something about rubber being stretched very tightly and air under a lot of pressure, but I don't think I was too convincing.
How about it someone?

song: 99 Red Balloons • artist: Nena

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