Which common laboratory product was originally developed as a consumer adhesive but failed because it wasn't sticky enough, only to find massive success in scientific applications?

Many everyday laboratory tools and scientific products have fascinating histories or unexpected origins. Before they became staples in research facilities worldwide, some scientific products began their journey in completely different industries or were discovered through happy accidents. Test your knowledge about the commercial history behind the scientific tools and products researchers rely on today.

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Post-it Notes (developed by 3M in 1968, featuring a low-tack adhesive that wouldn't damage documents)
Super Glue (developed by Eastman Kodak during WWII as a plastic gun sight material)
Parafilm (originally created as a waterproof wrapping for ammunition during WWII)
Teflon tape (invented by DuPont as a plumbing solution before being adopted for laboratory use)