When 5µm tracer particles are added, a high speed visualisation reveals a spiral flow of the outer layer of the floating water bridge. Both horizontal and vertical velocities have been measured [2].
The music is part of the 33 piano miniatures taken from the "Sternenfrau" trilogy by eloah.
Scientific literature:
[1] Elmar C Fuchs et al 2007 J. Phys. D: Appl. Phys. 40 6112-6114 doi: 10.1088/0022-3727/40/19/052
[2] Elmar C Fuchs et al 2008 J. Phys. D: Appl. Phys. 41 185502 (5pp) doi: 10.1088/0022-3727/41/18/185502
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