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A comment on Explaining an astonishing slinky. Parent comment
1) Made paper stronger
2) Aged wine
3) Could filter industrial smokestack pollution
But after many years working with engineers, I finally realized that gramps just wanted to make the loudest, highest frequency sound possible.
His patent (one of many, no he wasn't a troll, he built everything he patented) http://patent.ipexl.com/US/3708033.html
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1) Made paper stronger
2) Aged wine
3) Could filter industrial smokestack pollution
But after many years working with engineers, I finally realized that gramps just wanted to make the loudest, highest frequency sound possible.
His patent (one of many, no he wasn't a troll, he built everything he patented) http://patent.ipexl.com/US/3708033.html