Post-it notes began as a failed adhesive
A chemist's "failed" weak adhesive at 3M unexpectedly inspired a colleague to create the ubiquitous Post-it note, proving innovation can arise from setbacks.
The iconic Post-it note originated from a 1968 "failed" experiment by 3M chemist Spencer Silver. Tasked with creating a super-strong adhesive, he instead developed a remarkably weak, temporary glue that peeled off cleanly. This low-tack substance was initially dismissed as useless.
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