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Há 5 dias · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886). He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight.
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- Alexander Graham Bell was a Scottish-born American inventor and scientist. Bell was born on March 3, 1847, in Edinburgh, Scotland. In 1870 Bell and...
- Although Alexander Graham Bell is best remembered as the inventor of the telephone, he invented other devices too. Bell developed several sonic tec...
- The first telephone had two parts: a transmitter and a receiver. The transmitter comprised three parts—a drumlike device (a cylinder with a covered...
Há 12 horas · Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /, born Alexander Bell; March 3, 1847 – August 2, 1922) was a Scottish-born Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone.
Há 12 horas · Alexander Graham Bell falleció el 2 de agosto de 1922 en Nova Scotia, Canadá, dejando un legado perdurable en el mundo de las telecomunicaciones y la ciencia en general. Su invención del teléfono no solo revolucionó la forma en que las personas se comunicaban, sino que también sentó las bases para el desarrollo de tecnologías que han transformado la sociedad moderna.
Há 4 dias · Alexander Graham Bell was a Scottish-born Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone. He...
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23 de mai. de 2024 · On January 25th, 1915, Alexander Graham Bell made the call from his office on 15 Dey Street in the Financial District of Manhattan to his assistant Thomas Agustus Watson in San Francisco. An...
Há 4 dias · Alexander Graham Bell’s contributions to science and technology left an indelible mark on the world. His inventions transformed communication, connecting people across vast distances and breaking down barriers.
Há 1 dia · On June 3, 1880, Alexander Graham Bell transmitted the first wireless telephone message on his newly invented photophone from the top of the Franklin School in Washington, D.C.
