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The 1939 film The Story of Alexander Graham Bell was based on his life and works. [233] The 1965 BBC miniseries Alexander Graham Bell starring Alec McCowen and Francesca Annis. The 1992 film The Sound and the Silence was a TV film. Biography aired an episode Alexander Graham Bell: Voice of Invention on August 6, 1996.
Scotsman Alexander Graham Bell patents the telephone in the U.S. [46] The first safety bicycle is designed by the English engineer Harry John Lawson (also called Henry). Unlike the penny-farthing, the rider's feet were within reach of the ground, making it safer to stop. 1878. Demonstration of an incandescent light bulb by Joseph Wilson Swan ...
[4] [better source needed] Since Bell was himself becoming more affluent, he used the prize money to create institutions in and around Washington, D.C., including the prestigious Volta Laboratory Association in 1880 (also known as the 'Volta Laboratory' and as the 'Alexander Graham Bell Laboratory') precursor to Bell Labs, with his endowment ...
Alexander Graham Bell (1847–1922) significantly reduces interfering noises by using a wax cylinder instead of tin foil. This paved the way for commercial success for the improved phonograph. American Oberlin Smith describes a process to record audio using a cotton thread with integrated fine wire clippings
Some of the most significant products of Scottish ingenuity include James Watt's steam engine, improving on that of Thomas Newcomen, [3] the bicycle, [4] macadamisation (not to be confused with tarmac or tarmacadam [5]), Alexander Graham Bell's invention of the first practical telephone, [6] John Logie Baird's invention of television, [7] [8 ...
A form of wireless telephony is recorded in four patents for the photophone, invented jointly by Alexander Graham Bell and Charles Sumner Tainter in 1880. The photophone allowed for the transmission of sound on a beam of light , and on 3 June 1880, Bell and Tainter transmitted the world's first wireless telephone message on their newly invented ...
Photoacoustic spectroscopy is the measurement of the effect of absorbed electromagnetic energy (particularly of light) on matter by means of acoustic detection. The discovery of the photoacoustic effect dates to 1880 when Alexander Graham Bell showed that thin discs emitted sound when exposed to a beam of sunlight that was rapidly interrupted with a rotating slotted disk.
The Volta Prize of the French Academy Awarded to Prof. Alexander Graham Bell: A Talk With Dr. J.M. Sternberg, The Evening Traveler, September 1, 1880, The Alexander Graham Bell Papers at the Library of Congress; Thompson, Silvanus P. "Notes on the Construction of the Photophone". Phys. Soc.Proc., Vol. 4, 1881, pp. 184–190.