General Knowledge · 2
What kind of adhesive was Spencer Silver originally trying to develop in 1968 when he instead created the weak, reusable formula behind Post-it Notes?
Answer
An extremely strong, permanent adhesive
Silver was researching adhesives for 3M's aerospace and industrial divisions, aiming for maximum bonding strength, but produced a low-tack, reusable adhesive instead.
💡 Did you know?
Post-it notes were created as a failed adhesive experiment, and the inventor nearly threw them away before recognizing their market potential.
Other options people guess
- A waterproof sealant for boats
- A quick-drying wood glue
- A colored decorative coating
Topics
- inventions
- post-it
- chemistry
- history
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