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  1. www.britannica.com › biography › Thomas-EdisonThomas Edison | Biography, Early Life, Inventions, & Facts

    3 days ago · Thomas Edison, seen late in life in this video, was the most famous inventor in American history. Though he is best known for his invention of the phonograph and incandescent electric light, Edison took out 1,093 patents in a variety of fields, including electric light and power, telephony and telegraphy, and sound recording.

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      Joseph Henry was one of the first great American scientists...

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  3. www.britannica.com › money › Bell-LaboratoriesBell Laboratories | History & Facts - Encyclopedia Britannica

    4 days ago · In 1947 the laboratories invented the transistor, an achievement for which Bell researchers John Bardeen, Walter H. Brattain, and William B. Shockley were awarded the 1956 Nobel Prize for Physics. In the 1960s Bell Labs developed the first electronic telephone -switching system and designed Telstar , the world’s first satellite communications ...

  4. www.youtube.com › watchHow Telephone Was Invented | The History Of Telephone - YouTube

    19 hours ago · Telephone is one of the greatest innovations in communication technology to date. With it, we've connected over mountains, across oceans, and to opposite end...

    • 8 min
    • Invention Flex

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  6. www.youtube.com › watchUncovering the Fascinating History of the Telephone Invention ...

    4 days ago · Uncovering the Fascinating History of the Telephone InventionThe Evolution of Communication: The Story of the TelephoneWbbseclassB. A generalCalcutta univers...

    • 4 min
    • AIM Tuition

  7. www.msn.com › en-us › newsThe incredible evolution of phones - MSN

    2 days ago · The receiver was tethered to the phone with a cord, and you could only walk as far as the cord stretched. Cordless phones, invented in 1956, became widely available in the 1980s.

  8. en.wikipedia.org › wiki › History_of_the_InternetHistory of the Internet - Wikipedia

    3 days ago · Three years later, GTE deployed the first optical telephone system in 1977 in Long Beach, California. By the early 1980s, optical networks powered by lasers, LED and optical amplifier equipment supplied by Bell Labs, NTT and Perelli were used by select universities and long-distance telephone providers. TCP/IP goes global (1980s)

  9. en.wikipedia.org › wiki › AT&TAT&T - Wikipedia

    2 days ago · AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in 1875. By 1881, Bell Telephone Company had become the American Bell Telephone Company. One of its subsidiaries was the American Telephone and Telegraph Company (AT&T), established in 1885.

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