Communication

By eshalsha
  • Period: 2000 BCE to

    Carrier pigeon

    Genghis Khan invented Carrier pigeon and It´s still used in Odish, northeastern India.
  • Period: 310 BCE to

    Message in a bottle

    Greek philosopher Theophrastus invented Message in a bottle in 310BC and Some scientists and oceanographers still use messages in bottles to study global currents.
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    Tin-can phone

    Robert Hooke invented Tin-can phone in 1664 and we still used today to learn about sound and vibration.
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    Morse code

    Samuel Morse and Alfred Vali invented morse code in 1837 and International Morse Code is still used by U.S Navy intelligence specialists.
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    Postcard

    Dr. Heinrich von Stephen invented postcard in 1865 and only 18% of population still use them.
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    Cell phone and mobile phone

    Martin Cooper invented cell phones and mobile phones in 1928 and and we still use them.
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    Floppy disc

    Alan Shugart invented Floppy disc and the Floppy disc is still used for Airplanes like Boeing, Medical equiment and embroidery machines.
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    Email

    Ray Tomlinson invented Email in 1971 and we still use that.
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    Tablet

    Alan Kay invented tablet and More than a half of population still use tablets.