Toilets spew invisible aerosol plumes with every flush – here's the proof, captured by high-powered lasers
- Written by John Crimaldi, Professor of Civil, Environmental and Architectural Engineering, University of Colorado Boulder

Every time you flush a toilet, it releases plumes of tiny water droplets into the air around you. These droplets, called aerosol plumes, can spread pathogens from human waste and expose people in public restrooms to contagious...