Videos Tagged: mona lisa

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 30 years after the tearing down of the Berlin Wall, the city with only 15 houses, has two majors, two postal codes,...
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It might sound implausible, but deep at the bottom of the Indian Ocean lies the continent, which was found thanks to the...
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There are math problems that remain unsolved in algebra, graph, Euclidean geometries, and many other aspects of mathematics
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We are all accustomed to the regular type mushrooms, the champignons mushrooms. That is just one of the many hundreds of...
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The phenomenon happens as unsuspecting stars wander too close to the supermassive black hole in the center of their gala...
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