linkedin post 2015-02-22 16:00:34

“SONOLUMINESCENCE arises from acoustic cavitation – the formation, growth and implosion of small gas bubbles in a liquid blasted with sound waves above 18,000 cycles per second. The collapse of these bubbles generates intense local heating. “Nobody has been able to measure the temperature inside a single collapsing bubble before. The temperature we measured – about 20,000 degrees Kelvin – is four times hotter than the surface of our sun.”

https://lnkd.in/dvGA4ee

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