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The electric battery was invented by the Italian physicist Alessandro Volta in 1800. Its design consisted of a column of alternating zinc and copper discs, separated by cardboard moistened with brine. This invention was revolutionary as it was the first source of continuous electric current in history.

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Teflon was discovered accidentally during experiments with refrigeration gases. Today, it is commonly used to make non-stick pans and pots.

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Its creator was Alfred Nobel. He discovered the qualities of dynamite after his brother died in an explosion caused by nitroglycerin. He mixed nitroglycerin with diatomaceous earth.

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The physicist Wilhelm Conrad Rontgen was busy experimenting on a cathode ray tube in his laboratory in Wurzburg, Germany, in 1885, when he suddenly noticed a mysterious glow emanating from a chemically coated screen nearby. He tried to block the glow with his hand and noticed that the glow projected his bones onto the screen. He replaced the screen with a photographic plate and – presto – the first x-ray ever was born.

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Do you know any other accidental discoveries? Which ones?

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Do you know any other accidental discoveries? Which ones?

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1. Do a Google search to find an accidental discovery.
2. Write a brief description of the discovery and post a photo of it.

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Potato crisps!
A chef invented them in 1853. One of the customers was not happy because the chips weren’t crunchy. The chef was very angry, so he decided to cut the potatoes very thin, he fried them, and added a lot of salt. The customer loved them.