Well-known inventions that were discovered by accident, such as penicillin and the microwave oven, matched with how the discovery happened, one invention per card.
29 cards · basic cards · AI-written, checked twice. Edit anything.
- Penicillin
- Alexander Fleming noticed mold contaminating a bacterial culture plate had killed the surrounding bacteria
- Microwave oven
- Percy Spencer felt a chocolate bar in his pocket melt while standing near a radar transmitter during military research
- Post-it Notes
- Spencer Silver developed an adhesive weaker than intended that could be reapplied without leaving residue
- Velcro
- George de Mestral noticed burrs from burdock plants stuck stubbornly to his dog after a hunting trip
- Vulcanized rubber
- Charles Goodyear accidentally dropped sulfur onto heated rubber and discovered the curing process made it stronger
- Potato chips
- Chef George Crum sliced potatoes extremely thin and fried them crisp to satisfy a complaining restaurant customer
- Cornflakes
- John Kellogg left boiled wheat sheets out to dry overnight and discovered they formed crisp flakes when broken
- Popsicle
- Frank Epperson left soda and a wooden stick outside on a freezing night and found them frozen together in the morning
- Teflon
- Roy Plunkett discovered polytetrafluoroethylene as an unexpected byproduct while researching refrigerant alternatives
- Viagra
- Sildenafil developed for heart condition treatment showed unexpected erectile dysfunction benefits during clinical trials
- X-rays
- Wilhelm Roentgen discovered X-radiation while experimenting with cathode ray tubes in 1895
- Safety glass
- Édouard Bénédictus noticed broken glass from a car accident held together in a web pattern instead of shattering
- Silly Putty
- James Wright developed the silicon polymer as a unexpected byproduct while searching for synthetic rubber alternatives
- Saccharin
- Constantine Fahlberg's fingers tasted sweet after touching a coal tar derivative compound at his laboratory bench
- Chocolate chip cookies
- Ruth Graves added chopped pieces of a Nestlé chocolate bar to her butter cookie dough expecting them to melt
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