eli5: I saw a post on instagram saying “Sonoluminescence – If you collapse an underwater bubble with a soundwave, light is produced, and nobody knows why” is this true?
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Something to keep in mind on most of these “nobody knows why” questions.
99% of the time, its not that we have zero idea why something happens. Its that there are many different ways that it could have happened, and there has not been enough study done to identify which theory is correct.
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