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The National Physical Laboratory Acoustics team has been investigating acoustic cavitation – the formation and implosion of micro cavities, or bubbles, in a liquid caused by the extreme pressure variations of high intensity sound waves – using the new NPL reference vessel and a chemical commonly found at crime scenes.

Using the new beamline, 911-4, at MAX-lab in Lund, Sweden, researchers can study a wide range of different types of material with a resolution of a few nanometres. This could be useful for both basic research and industry in general. The facility is the result of a Danish–Swedish collaboration