5 interesting things that were discovered by accident #shorts

5 interesting things that were discovered by accident. In 1928, Sir Alexander Fleming discovered penicillin by chance.

In 1967, astronomers discovered the cosmic microwave background radiation, a key piece of evidence for the possibility of life on other planets! In 1879, Thomas Edison was working on a filament for an incandescent light bulb when he accidentally discovered the principles of a carbon microphone.

In 1945, a Swiss engineer named George de Mestral discovered Velcro after noticing burdock burrs sticking to his clothing and dog's fur during a walk in the woods. In 1988, Viagra was discovered by Pfizer scientists who were actually looking for a treatment for high blood pressure and angina.

In 1923, Scotchgard was accidentally discovered by a 3M scientist who spilled a liquid on her shoe and found it repelled water and stains.

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