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The Abacus was used to solve math problems and was invented in China. It is still used today in China, Japan, and Russia
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Napier's bones was a device used to multiply and divide. It was made out of slips of ivory and was marked into sections with digits.
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Galileo's telescope was made in 1647 and could magnify things up to 20 times which let him see the moon, Jupiters 4 satilites, and a supernova.
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Joseph-Marie Jacquard made an automatic loom controlled by punched cards.
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The Analytical Engine was an idea invented it wasn't actually made untill the 1940's. The idea was the first general-purpose computer.
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