Movie S2.
Motion of a microbubble in the vicinity of the bubble neck. The microbubble here acts as a tracer, showing the flow direction, which is axially-dominant at early times and crosses over to a radially-dominant flow at late times.
Restoring universality to the pinch-off of a bubble
PNAS. 2019. 116:13780-13784 DOI: 10.1073/pnas.1819744116