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A comment on T-Shirts Unravelled. Parent comment

Re:T-Shirts Unravelled by phyllostachys on Monday January 25, 2016 @01:18PM (#10968808)
If you do it right, you can get a nice crack sound. I've found that I can usually get at one from a freshly washed item of clothing (and towels) and it only cracks once per fresh wash. I don't understand the mechanism that causes it but find it satisfying for some reason.
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Re:T-Shirts Unravelled by johansch on Tuesday January 26, 2016 @01:15PM (#10974858)
https://en.wikipedia.org/wiki/Whipcracking

"The crack a whip makes is produced when a section of the whip moves faster than the speed of sound creating a small sonic boom."

(I agree that is a strangely satisfying thing. It does make hanging the wash up for drying slightly less tedious...)

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