Listening to soap bubbles pop reveals the physics behind the bursts

An acoustic technique identifies the shifting forces behind movements of fluids

The sound of a bubble’s pop can reveal the forces that occur during the burst, via an acoustic technique that can be used alongside high-speed imagery (shown).

A. Bussonnière/Institut d'Alembert, Sorbonne Université, CNRS

A soap bubble’s swan song is a quiet “pfttt.”