Free online tool calculates risk of COVID-19 transmission in poorly-ventilated spaces
Colorized scanning electron micrograph of a cell (blue) heavily infected with SARS-CoV-2 virus particles (red),...
Masks not enough to stop COVID-19’s spread without distancing: study
The device used by researchers to study how masks block simulated respiratory droplets carrying the...
Experts develop new mechanism that can trap submicron particles in minutes
The researchers found salt acted similarly to a magnet. Credit: Loughborough University A spoonful of...
Sound waves spin droplets to concentrate, separate nanoparticles
Credit: CC0 Public Domain Mechanical engineers at Duke University have devised a method for spinning...
Studies explore fluids in pancakes, beer, and the kitchen sink
Credit: Pixabay/CC0 Public Domain Mechanical engineer Roberto Zenit spent the summer of 2019 trying to...
Airflow studies reveal strategies to reduce indoor transmission of COVID-19
Simulation of pedestrian counterflow (red and pink particles) confined within a hallway (blue boundary), under...
In specially coated tubes, the more viscous a liquid is, the faster it flows
Drops of honey on a hydrophobic surface. Credit: Aalto University It's widely known that thick,...