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When low-power laser light (<1W) is incident on saturated aqueous salt
solutions, microbubbles form. Their expansion results in micro-crysta
llite formation on the bubble surfaces. These micro-crystals provide c
haotic advectors that can be used to track fluid trajectories, in whic
h Levy flights are present in a general laminar flow. (C) 1998 Elsevie
r Science B.V. All rights reserved.