Showing posts with label post-its. Show all posts
Showing posts with label post-its. Show all posts
Friday, 21 March 2014
Sketchy Fact #32: A Not-Very Sticky Situation
The glue for post-it notes was invented by accident in 1968 by 3M engineer Spencer Silver. He was trying to invent a super-strong adhesive, but came up way, way short.
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