prodigalsin: Physics lesson of the day: The rippling effect across the woman’s bottom is demonstrated an effect called ‘hydrostatic shock’. Water is an incompressible liquid (and we’re made up of around 70% water), so the force delivered

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prodigalsin: Physics lesson of the day: The rippling effect across the woman’s bottom is demonstrated an effect called ‘hydrostatic shock’. Water is an incompressible liquid (and we’re made up of around 70% water), so the force delivered

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