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(Recorded at 10,000 fps with a 0.097 ms exposure; displayed at 15 fps.) A clear “mushroom cloud” vortex ring forms and reaches a nearly fixed width within 0.5 ms. Spores are carried upward within the vortex ring and its wake. At this exposure, the mushroom cloud has some motional blurring compared to the images shown in Fig. 1D. and Movie S3, which were captured with a shorter exposure time.
Credit: Clara Hard, Joan Edwards, Dwight Whitaker
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