20 inventions that were discovered accidentally.
Here are 20 genius inventions discovered by accident:
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Penicillin
Alexander Fleming discovered penicillin in 1928 when he accidentally left a bacterial culture and noticed a mold that killed bacteria. -
X-rays
Wilhelm Röntgen discovered X-rays in 1895 while experimenting with cathode rays. -
Microwaves
Percy Spencer discovered the principle of the microwave when a chocolate bar melted in his pocket while working with a microwave tube.