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First Time Recording Sounds of an Atom

The sound of single atom was recorded for the first time ever by scientists in Sweden, a soft sound imperceptible to the naked human ear.

Researchers at Chalmers University of Technology detailed their study on Thursday in the latest issue of the journal Science, and they say that, so far, it’s the softest sound that can be physically recorded in the entire universe.

“According to the theory, the sound from the atom is divided into quantum particles,” said Martin Gustafsson, the article’s first author. “Such a particle is the weakest sound that can be detected.”

Gizmodo reported that the scientists went about recording the sound by exciting the atom, then converting its acoustic vibrations into microwaves – which are of a large enough amplitude to be recorded. The note is a D28, 20 octaves above the highest note on a grand piano.
“We have opened a new door into the quantum world by talking and listening to atoms,” Per Delsing, head of the experimental research group, said in a press release about the study. “Our long term goal is to harness quantum physics so that we can benefit from its laws, for example in extremely fast computers. We do this by making electrical circuits which obey quantum laws, that we can control and study.”

Quantum phenomena is usually measured with photons, which are quantized packets of light, but capturing for the first time a phonon – quantized sound – opens up a whole new realm of possibilities for scientists because sound is much slower-moving, and thus easier to observe.

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About Cynthia Schnepp (905 Articles)
YouTube Personality 'ShantiUniverse', Chief Editor & Columnist of From San Antonio Texas has lived in New York, England, and Las Vegas.