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Nov 1, 1280
Eye glasses were invented
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Sep 30, 1380
Suspension bridges built in Peru
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Nov 30, 1450
Alphabetical printing press invented
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Sep 30, 1500
Ball bearing invented by Leonardo Da Vinci
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Dec 30, 1510
Pocket Watch invented by Peter Henlien
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Apr 30, 1581
Pendulum invented by Leonardo Da Vinci
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Thermometer invented by Galileo
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Telescope invented by Hans Lippershey
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First microscope invented by Galileo
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Vacuum Pump invented by Otto Van Geuricke
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Steam engine invented by Thomas Savery
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Lightning rod invented by Benjamin Franklin
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Optical disc invented David Paul Gregg
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Computer mouse invented by Douglas Engelbart
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Videogame console invented by Ralph H. Baer
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Google search launched by Google
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Facebook lauched by Mark Zuuckerberg
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Youtube invented by Paypal