#1779 How did fish and chips become a traditional British food?

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How did fish and chips become a traditional British food? Fish and chips became a traditional British food thanks to fried fish brought from Spain and Portugal, chips brought from Belgium and France, railway networks, improved agriculture, urbanization, entrepreneurs, and wartime thinking. If you have traveled to Britain, you will undoubtedly have tried fish and […]

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#1774 Who invented algebra?

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Who invented algebra? Algebra was invented by many people over many years, but Muhammad ibn Musa al-Khwarizmi is known as the “father of algebra” and it is from his seminal work that we get the word “algebra”. The word algorithm also comes from the Latin version of his name “Algorismus”. Algebra is a branch of

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#1773 How does a smartwatch measure pulse and blood oxygen levels?

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How does a smartwatch measure pulse and blood oxygen levels? A smartwatch measures both pulse and blood oxygen levels by shining different colored lights through your skin and into your blood vessels. These days, smartwatches have more and more functions, and many of those functions are to do with health. Two things they can do

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#1770 What was the Spanish Inquisition?

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What was the Spanish Inquisition? The Spanish Inquisition was a judicial institution, run as a royal court, that investigated and prosecuted heresy and religious nonconformity in Spain (and later the Spanish Empire), and was used by the monarchy to enforce Catholic religious conformity. “Inquisition” just means “inquiry.” The Catholic Church had investigated suspected heresy long

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