John Crimaldi is a professor of civil, environmental and architectural engineering at the University of Colorado, Boulder. Every time you flush a toilet, it releases plumes of tiny water droplets into ...

This summer, in Boulder, Colorado, John Crimaldi and his team of civil and environmental engineers gathered around a toilet — for science. They positioned a laser to beam green light above the lidless ...

Engineers at the University of Colorado Boulder have confirmed what the germ-phobic among us have long suspected: The flush of a commercial toilet releases a Vesuvius-like cloud of tiny droplets and ...

John Crimaldi receives funding from the National Science Foundation, National Institutes of Health, and the US Army DEVCOM Chemical Biological Center. Every time you flush a toilet, it releases plumes ...

An experimental study has quantified the volume of aerosol particles generated by flushing toilets in a public restroom. The real-world research suggests even with lids closed flushing toilets can ...

Could saving the planet start with a single flush? That may be a bit much to ask of a humble toilet, but these days, high-efficiency toilets are becoming the norm. Mandated by federal law since the ...