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Famous Inventions · Trivia · Game Night and Road Trips

Accidental and Unexpected Inventions

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.

About this set

29 basic cards for Trivia Famous Inventions. It opens with "Penicillin" and "Microwave oven". More Game Night and Road Trips decks are listed below.

29 cards · basic cards · AI-written, checked twice. Edit anything.

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Penicillin
Show answerAlexander Fleming noticed mold contaminating a bacterial culture plate had killed the surrounding bacteria
Microwave oven
Show answerPercy Spencer felt a chocolate bar in his pocket melt while standing near a radar transmitter during military research
Post-it Notes
Show answerSpencer Silver developed an adhesive weaker than intended that could be reapplied without leaving residue
Velcro
Show answerGeorge de Mestral noticed burrs from burdock plants stuck stubbornly to his dog after a hunting trip
Vulcanized rubber
Show answerCharles Goodyear accidentally dropped sulfur onto heated rubber and discovered the curing process made it stronger
Potato chips
Show answerChef George Crum sliced potatoes extremely thin and fried them crisp to satisfy a complaining restaurant customer
Cornflakes
Show answerJohn Kellogg left boiled wheat sheets out to dry overnight and discovered they formed crisp flakes when broken
Popsicle
Show answerFrank Epperson left soda and a wooden stick outside on a freezing night and found them frozen together in the morning
Teflon
Show answerRoy Plunkett discovered polytetrafluoroethylene as an unexpected byproduct while researching refrigerant alternatives
Viagra
Show answerSildenafil developed for heart condition treatment showed unexpected erectile dysfunction benefits during clinical trials
X-rays
Show answerWilhelm Roentgen discovered X-radiation while experimenting with cathode ray tubes in 1895
Safety glass
Show answerÉdouard Bénédictus noticed broken glass from a car accident held together in a web pattern instead of shattering
Silly Putty
Show answerJames Wright developed the silicon polymer as a unexpected byproduct while searching for synthetic rubber alternatives
Saccharin
Show answerConstantine Fahlberg's fingers tasted sweet after touching a coal tar derivative compound at his laboratory bench
Chocolate chip cookies
Show answerRuth Graves added chopped pieces of a Nestlé chocolate bar to her butter cookie dough expecting them to melt

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