An old patent inspired the new "Y-zipper", a three-sided fastener

> 一项旧专利启发了新型"Y 形拉链",一种三面紧固件。

HN 156 分 · 33 条评论 · 作者 crescit_eundo · 来源 news.mit.edu · HN 讨论

> HN 156 分 · 33 条评论 · 作者 crescit_eundo · 来源 news.mit.edu · HN 讨论

In 1985, MIT professor William Freeman proposed a three-sided zipper prototype to create items with tunable stiffness, but the idea was rejected and patented in obscurity until recently.

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