Understanding how the phenomenon of 'crackling noise' occurs at the microscopic scale could have implications for new research in materials science and medicine. Scientists from UNSW Sydney and the University of Cambridge have used novel methods to listen to the sounds of atoms moving under pressure - a phenomenon known as 'crackling noise'. These atomic movements occur in avalanches - they are similar to snow avalanches, but made of atoms - and follow very well-defined statistical rules. Crackling noise can be observed every day, from crumpling paper and candy wrapping, to the crackling of your cereal, as well as in natural occurrences, such as earthquakes.

https://www.miragenews.com/listening-to-atoms-moving-at-nanoscale-study-1093393/

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