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Production: National Geography

Language: English

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Description:
    The Beijing National Aquatics Center, also officially known as the National Aquatics Center,and colloquially known as the Water Cube, is an aquatics center that was built alongside Beijing National Stadium in the Olympic Green for the swimming competitions of the 2008 Summer Olympics. Despite its nickname, the building is not an actual cube, but a cuboid (a rectangular box). Ground was broken on December 24, 2003, and...
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Production: National Geography

Language: English

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Description:
    This movie shows How, with the discovery of calculus, mathematics received its greatest boost since the time of the ancient Greeks.Calculus was invented by either Newton or Leibnitz in the late 17th century. Find out who invented calculus with tips from a mathematics instructor in this free video on math history.
        
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Production: DISCOVERY CHANNEL

Language: English

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Description:
   Today's tank is a highly sophisticated and complex Extreme Machine. This program features the most advanced tanks in the world today and includes intimate interior camera access giving us a glimpse of the claustrophobic world of the tank crew as we follow them in battle scenarios. Gripping archive footage documents tanks in action from the First World War to Desert Storm. We also take a look at the future with exclusive ...
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