Answers

2015-12-09T00:09:15+08:00
It said to be POST IT NOTES were invented by accident by SPENCER SILVER when he was working at 3M trying to create super strong adhesives for use in the aerospace industry in building planes. Instead of a super strong adhesive, he accidentally managed to create an incredibly weak, pressure sensitive adhesive agent called Acrylate Copolymer Microspheres.
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