Tag: sound

Sound

  Sound is all around us, to the point where those of us blessed with good hearing take it for granted. But there is a thriving field of science for whose researchers sound is more than just background noise. They see sound as a potential tool for everything from new forms of transportation to new …

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Recording sound

In 1877, Thomas Edison was experimenting with a way to repeat Morse-coded telegraph messages using a waxed paper tape on which the message was written by a stylus. He noticed that if he pulled an already inscribed tape past the stylus it produced a note, and reasoned that he should be able to use the …

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