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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The Chinese government is determined to build a “New Dubai”, or a city as luxurious as Dubai. When it is all said an...
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Such event would require the same amount of energy stored in the momentum of everything on our rotating planet. And ther...
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One average lightning bolt can release enough energy to operate a 100-watt light bulb for more than three months straigh...
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When he was just 5 years old, he could use a typewriter, and had learnt to speak Latin, Greek, Russian, French, German, ...
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The island is located in Isla Mujeres Bay near Cancun city in Mexico. It has a three-storey house with two bedrooms, a k...
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