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A jazz musician named Teri Pall invented a version of the cordless phone in 1965 but could not market her invention, as its 2-mile (3.2 km) range caused its radio signals to interfere with aircraft communications. In 1968, she sold her rights to the cordless phone to a manufacturer who modified it for practical use.
Myth: Alexander Graham Bell invented the telephone. Fact: In 1850, more than twentyfive years before Alexander Graham Bell's invention, a german school teacher named Philip Reis created what he described as an artificial ear. He linked this artificial ear (essentially a microphone), to the strings of a violin (the speaker).