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Bulle de gaz

Crédit photo : Maxime Fauconnier, Claude Inserra, Jean-Christophe Béra, LabTAU

A 100mm gas bubble (in black) is excited by ultrasound and oscillates in an aspherical mode (assuming a flower shape instead of the natural spherical bubble shape). This unusual oscillation generates microstreaming (visualized by the dark gray lines). Bubble microstreaming is studied in LabTAU for its action on biological walls and living cells.