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Paper was invented in AD 105 by Cai Lun, using clothes and sheets' material and using ink to write. This is useful since there are many useful functions for writing on paper.

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Spectacles were invented in the 13th century at around 1285, using wooden frames. Spectacles allow people with unclear vision to distinctly see when wearing.

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U.S enhances and upgrades paper in 1690.

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U.S enhances and upgrades paper in 1690.

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The first battery was called a voltaic pile, invented by a scientist called Alessandro Volta in 1799. He used pairs of copper and zinc discs. Batteries charge electrons to power up appliances we use.

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The German chemist Robert Wilhelm Bunsen invented our modern battery today in 1859.

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The German chemist Robert Wilhelm Bunsen invented our modern battery today in 1859.

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The Wight Brothers invented the first successful aeroplane, on December 17th 1903. Aeroplanes are useful since they can carry objects oversee and also helps us travel.

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The internet was invented on January 1st 1983. Prior to this, people had no way to communicate like we do now. Bob Khan and Vint Cerf were the inventors of the internet.

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With help from the internet, Tim Berners Lee created the World Wide Web.

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With help from the internet, Tim Berners Lee created the World Wide Web.