Listen to world’s first recording of Alexander Graham Bell’s voiceResearchers have discovered the world’s first voice mail: an audio recording of Alexander Graham Bell made on April 15, 1885, using a mixture of cardboard and wax. The Smithsonian Magazine has posted the audio recording, in which the inventor of the telephone announces, “In witness whereofâ€"hear my voice, Alexander Graham Bell.†Listen to the audio [...]
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