Videos Tagged: leonardo da vinci

History
History of Helicopters
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The earliest invention for vertical flight that we know comes from China. It is known that since 400 years BC, children in China played with bamboo flying toys. Children attached a stick to a ro...

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Some of the best wines in Italy are Prosecco, Chianti, and Montepulciano d’Abruzzo. Whether you want to try wine tasti...
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The condition was first described in 1869 by American neurologist George Beard. Symptoms of the condition included anxie...
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The Wright brothers were always interested and fascinated by flight. They attribute their interest in aviation to a smal...
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Persepolis was the capital of the Persian Achaemenid Empire, starting from the reign of Darius I, until its destruction ...
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In the 19th century, people thought causes of fever include injury, bad air, violent emotion, or even irregular bowel mo...
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