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Difference engine
It was supposed to do the job of calculating difficult mathematical problems that took mathematicians quite a while to do -
Period: to
Technology
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Telegraphy
long distance transmission of textual/symbolic (as opposed to verbal or audio) messages without the physical exchange of an object bearing the message -
Telephone
Contacting others -
Calculator
First machine to automate multiplication -
Wireless Telegraphy
Telegraphy but WIRELESS -
First Tape Recorder
Recording things -
FM radio recievers
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First US satellite launched
Spread out humanities reach to farther areas -
HD TVs
Entertainment
