Physics of Fluids

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Face Shields, Masks with Valves Ineffective Against COVID-19 Spread

WASHINGTON, September 1, 2020 — As countries around the world experience a steep surge in COVID-19 infections, face masks have become increasingly accepted as an effective means […]

Effectiveness of Cloth Masks Depends on Type of Covering

WASHINGTON, August 25, 2020 — Months into the COVID-19 pandemic, wearing a mask while out in public has become the recommended practice. However, many still question the […]

Polymers Prevent Potentially Hazardous Mist During Dentist Visit

WASHINGTON, August 25, 2020 — Researchers at the University of Illinois at Chicago couldn’t stop thinking about the spinning, vibrating tools in a dentist’s office that turn […]

Humid Air Can Extend Lifetime of Virus-Laden Aerosol Droplets

WASHINGTON, August 18, 2020 — The novel coronavirus that causes COVID-19 is thought to spread through natural respiratory activities, such as breathing, talking and coughing, but little […]

Using A Public Restroom? Mask Up!

WASHINGTON, August 18, 2020 — Think you don’t need to worry about COVID-19 while using a public restroom? A group of researchers from Yangzhou University in China […]

Masks, PPE Materials Should Be Hydrophilic

WASHINGTON, August 11, 2020 — Since the COVID-19 virus spreads through respiratory droplets, researchers in India set out to explore how droplets deposited on face masks or […]

Using Physics to Improve Root Canal Efficiency

WASHINGTON, August 11, 2020 — Scientists used computational fluid dynamics to determine the effect of temperature on root canal cleaning efficiency. Higher temperatures can, to a point, […]

Droplet Spread from Humans Doesn’t Always Follow Airflow

WASHINGTON, August 4, 2020 — The World Health Organization has warned that aerosol transmission of COVID-19 is being underestimated. If aerosol spread is confirmed to be significant, […]

Face Mask Construction, Materials Matter for Containing Coughing, Sneezing Droplets

WASHINGTON, June 30, 2020 — While the use of face masks in public has been widely recommended by public health officials during the current COVID-19 pandemic, there […]