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The National Museum of African American History and Culture (NMAAHC), colloquially known as the Blacksonian, is a Smithsonian Institution museum located on the National Mall in Washington, D.C., in the United States. [4] It was established in 2003 and opened its permanent home in 2016 with a ceremony led by President Barack Obama.
4 dni temu · 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).
Russell changed the wireless communication industry with inventions like the first digital cellular base station, a mobile data telephone patent, and several wireless communication patents. An employee at Bell Labs, Russell was one of the first to recognize the potential for mobile phones.
Alexander Graham Bell (/ ˈɡreɪ.əm /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.
Before his death in February 2009, J. Max Bond Jr. designed African American historic sites, museum, and archives around the world. As a result, the architects have synthesized a variety of distinctive elements from Africa and the Americas into the building’s design and structure.
22 maj 2008 · From the top floor of this building was sent on June 3, 1880 over a beam of light to 1325 L Street, the first wireless telephone message in the history of the world. The apparatus used in sending the message was the photophone invented by Alexander Graham Bell, inventor of the telephone.
The Bell National Historic Site is the location of the Brantford home where Alexander Graham Bell invented the telephone on July 26, 1874. Visitors can see how the Bell family lived and worked, and learn how Alexander Graham Bell invented the telephone and follow its evolution to date.
