Five Indian teenagers figured out a way to keep their school bathroom cleaner, by inventing a very unique urinal.
Two physicists in Utah explain the science behind urinal splash, sitting vs. standing, and how the ‘angle of attack’ is important. Check out their article here… https://www.bbc.com/news/science-environment-24820279
they won’t help with toilet graffiti. I came across this Guardian article about an old psychological experiment just recently, and it got me wondering, “Would this work today?” Check out the article here… https://www.theguardian.com/education/2009/oct/20/improbable-research-marc-abrahams