The new netflix series death by lightning reveals that alexander graham bell invented an early metal detector to try and save the life of president james a Alexander graham bell is best known as the inventor of the telephone — the first to transmit the human voice by means of an electric current — but there was much more to this extraordinary man than his breakthrough in communications technology. Alexander graham bell invented the telephone Remarkably, he only worked on his invention because he misunderstood a technical work he had read in german His misunderstanding ultimately led to his discovery of how speech could be transmitted electrically. After inventing the telephone, bell continued his experiments in communication, which culminated with the photophone transmission of sound on a beam of light, a precursor of today's optical fiber systems
He also worked in medical research and invented techniques for teaching speech to the deaf. In 1876, at the age of 29, alexander graham bell invented the telephone In 1877, he formed the bell telephone company, and in the same year married mabel hubbard and embarked on a yearlong honeymoon in europe. In june, bell demonstrated the telephone for sir william thomson (baron kelvin) and emperor pedro ii of brazil at the centennial exhibition in philadelphia On july 9, 1877, bell, hubbard, sanders, and watson formed the bell telephone company, the precursor of the bell system. Born in 1847 and passing in 1922, he significantly impacted communication technology
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