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He made the Battery it made things run without direct use of lectricty
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He invented the steam boat and it made moving goods across the river easier
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He invented morse code and it was a way to communicate with other people not knowing what you are saying
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He made the camera you did not have to paint or draw a picture and it would last alot longer
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He created the telephone you could talk to people that where not right by you and it was faster then sending mail to them
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invented the gas engine it revolutionised the car desgin
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he made the diesel engine and they where able to hall more and a little more gas efficent
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They invented the airplane and it made traveling go by much faster
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He invented the assembly line and it made manufacturing faster
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He created the light bulb it was safer then candles and you could see when it was dark and they last a very long time