Alexander Graham Bell (March 3, 1847 – August 2, 1922) was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
Bell's father, grandfather, and brother had all been associated with work on elocution and speech, and both his mother and wife were deaf, profoundly influencing Bell's life's work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being awarded the first US patent for the telephone in 1876. In retrospect, Bell considered his most famous invention an intrusion on his real work as a scientist and refused to have a telephone in his study.
Many other inventions marked Bell's later life, including groundbreaking work in optical telecommunications, hydrofoils and aeronautics. In 1888, Bell became one of the founding members of the National Geographic Society. He has been described as one of the most influential figures in human history.
Read more about" $new_link:&"nbsp; Early Life, Canada, Work With The Deaf, Continuing Experimentation, Telephone, Family Life, Later Inventions, Eugenics, Legacy and Honors, Death
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... In Bell test experiments, the term quantum correlation has come to mean the expectation value of the product of the outcomes on the two sides ... In John Bell's 1964 paper that inspired the Bell tests, it was assumed that the outcomes A and B could each only take one of two values, -1 or +1 ... Following local realist assumptions as in Bell's 1964 paper, the estimated quantum correlation will converge after a sufficient number of trials to QC(a, b) = ∫ dλ ρ(λ) A(a, λ)B(b, λ), where a and ...
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... There were 115 households out of which 20.9% had children under the age of 18 living with them, 56.5% were married couples living together, 6.1% had a female householder with no husband present, and 33.0% were non-families. 29.6% of all households were made up of individuals and 11.3% had someone living alone who was 65 years of age or older ...
... McKew, wife of the shipyard's works manager, and commissioned on 29 July 1942 ... The ship's bell was recovered before the sale, and returned to Broome ... Board in June 1952, who then passed the bell on to Broome State School in November ...
Famous quotes containing the words work and/or bell:
“You seem to have no real purpose in life and won’t realize at the age of twenty-two that for a man life means work, and hard work if you mean to succeed.”
—Jennie Jerome Churchill (1854–1921)
“I was thinking of a son.
The womb is not a clock
nor a bell tolling,
but in the eleventh month of its life
I feel the November
of the body as well as of the calendar.”
—Anne Sexton (1928–1974)