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  Egyptian pyrimid were built.
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  Romans are also known for their engineering works, almost 44,000 miles of road.
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  The First steam engine was devolved.
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  The first couple of clocks were developed have accurate time under certain conditions/ climates.
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  The Water frame was developed to use water to transform cotton into threads.
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  Robert Fulton was the the first person to successfully develop a steamship and constructed it to be 146 ft. long.
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  The First railroad system/first train powered by steam was developed for faster transportation.
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  The First telegram was developed by scientists Micheal Faraday and James Maxwell.
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  First Transcontinental Railroad
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  Fist theoretical understanding of electricity
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  Light Bulb
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  Mono tip And Linotype
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  Sarnoff become president of RCA which made others soon realized as a medium had significant of radio
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  ACs became primary electrical distribution
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  1st Controlled plane
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  Ford Cars Were into introduced.
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  Almost Everyone in the US had a car.
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  RCA created the first radio station
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  Computers
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  They made transistors.
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  Computers were commercially Important
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  Experimental CVR became commercially important
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  RRC delivered first univac CPV
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  They Made integrated circuits.
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  The first light bulb was invented by Thomas Edison, who also had a theoretical under understanding of electricity.
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  Computers were introduced