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In Korea Jikjisimgyeong, a Buddhist scripture, was printed with the world’s first movable metal type.
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The first book was published, Johannes Guttenberg's Bible.
Guttenberg perfected interchangeable type that could be cast in large quantities and invented a new type of press. -
The microscope was invented.
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Galileo invented the telescope.
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Benjamin Franklin fir tested his lightning rod.
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Wolfgang von Kempelen develops a mechanical speaking machine: the world's first speech synthesizer.
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Samuel Morse, in the United States, develop the electric telegraph (a forerunner of the telephone).
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Englishman Charles Babbage invents the first mechanical computer
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Alfred Nobel patented dynamite.
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The first ball-point pen was patented by Alonzo T. Cross.
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he first airplane flight. The Wright brothers’ Flyer I flew for fifty-nine seconds at Kitty Hawk.
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Einstein introduced his Theory of Relativity.
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Scotch tape was 1st marketed by 3M Company.