BBC news has the following article: "Physicists probe urination 'splashback' problem" by James Morgan
They write:
The work is led by Prof Tadd Truscott and Randy Hurd of the "Splash Lab" at Brigham Young in Provo, Utah, who jokingly refer to themselves as "wizz kids".
Before that:
"In response to harsh and repeated criticisms from our mothers and several failed relationships with women, we present the splash dynamics of a simulated human male urine stream," reads their conference abstract.
""It turns out you are five times as far away when you stand up - and that's a pretty significant difference in impact velocity for those droplets of urine," said Mr Hurd.
Impact with the toilet water is captured in a video by the team.
"You can see the droplets create a large cavity in the water, which then collapses, causing even greater splashback. The amount of splash is considerable," Mr Hurd explained.
"It seems that sitting down is the best sure-fire way to avoid unwanted splashing in a traditional toilet."
See also my former blogpost on this...
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