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2
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This was invented by a Scottish man living in the USA in 1876.
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4
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Karl Benz is credited with developing the first recognizable one of these in 1886.
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5
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A naturally occuring phenomenon which was first noted by the ancient Greeks
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6
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This was invented in Germany around 1440 by Johannes Gutenberg.
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7
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Two American brothers are credited with designing the first operational one of these in 1903.
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8
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Thomas Edison is credited with designing this in 1879.
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1
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This was initially invented in the late 1960s in California, but was not massively used until the 1990s.
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3
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This was first discovered in the 1930s with the first operational plant coming in the 1950s.
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