We report studies of the life expectancy of sets of parallel liquid films made from surfactant solution and contained in cylindrical perspex tubes. The tubes are sealed at the bottom and vertically placed. From our analysis of the lifetime data of over 2200 such films we find that this synthetic system shows characteristics of the statistics of human mortality. An infant or wearin phase with decreasing mortality is succeeded by an ageing phase that broadly follows the law of Gompertz. Ensembles of soap films thus offer themselves as a unique and easily accessible experimental system for the study of failure/mortality statistics with applications to human data.
We study experimentally the rheology of a macroscopic particle-laden soap film, designated as a “Granular Film”, in the simple shear configuration. The macroscopic particles are dispersed in a soap film,...
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