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electric telegraph
joseph henry invented electric telegraphs -
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morde code
samuel morse invented morse code -
in virgina wireless electromagntic waves transmittled 14 miles
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photoelectric scanning can send and recieve a picture
photoelectric scanning can send and recieve a picture -
movies invented
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television created
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jhon logie baird first tv signal
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douglas H.ring and W.rae young propose a cell phone approach led to 'celluar phones'
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computer created
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internet was created
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in england postman delieved mail to homes
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internet radio brocasting is born
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youtube
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messages are sent faster
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Iwatch comes out