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Posted inLife

Wash your hands for 20 seconds: Physics shows why

WASHINGTON, August 17, 2021 — Though hand-washing is proven effective in combating the spread of disease and infection, the physics behind it has rarely been studied. But in Physics of Fluids, by AIP Publishing, researchers from Hammond Consulting Limited describe a simple model that captures the key mechanics of hand-washing. By simulating hand-washing, they estimated […]

Posted inSci/Tech

Simply speaking while infected can potentially spread COVID-19

WASHINGTON, February 23, 2021 – COVID-19 can spread from asymptomatic but infected people through small aerosol droplets in their exhaled breath. Most studies of the flow of exhaled air have focused on coughing or sneezing, which can send aerosols flying long distances. However, speaking while near one another is also risky since the virus can […]

Posted inSci/Tech

Masks Not Enough to Stop COVID-19’s Spread Without Distancing

WASHINGTON, December 22, 2020 — Simply wearing a mask may not be enough to prevent the spread of COVID-19 without social distancing. In Physics of Fluids, by AIP Publishing, researchers tested how five different types of mask materials impacted the spread of droplets that carry the coronavirus when we cough or sneeze.  Every material tested […]

Posted inUncategorized

Photovoltaics industry can help meet Paris agreement targets

WASHINGTON, October 27, 2020 — To meet the Paris Agreement’s daunting goal of preventing Earth’s average temperature from rising more than 2 degrees Celsius (3.6 degrees Fahrenheit) above its level in preindustrial times, one of the best options for the energy economy will involve a shift to 100% renewable energy using solar energy and several […]

Posted inSci/Tech

How COVID-19 cough clouds travel in the presence and absence of face masks in closed spaces

WASHINGTON, October 20, 2020 — As the coronavirus has affected more than 30 million people globally, researchers have increasingly focused on the extent to which airborne respiratory droplets carrying the virus travel and contaminate the air after an infected person coughs. While scientists have studied the properties of air at the mouth, such as volume, […]

Posted inLife

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 recently reported that flushing public restroom toilets can release clouds of virus-laden aerosols for you to potentially inhale. If that’s not cringeworthy enough, after running additional computer simulations, […]

Posted inSci/Tech

Flushing toilets create clouds of virus-containing droplets that could be breathed in by others

WASHINGTON, June 16, 2020 — Researchers used a computer simulation to show how a flushing toilet can create a cloud of virus-containing aerosol droplets that is large and widespread and lasts long enough that the droplets could be breathed in by others. With recent studies showing the novel coronavirus that causes COVID-19 can survive in […]