Science
Study shows how masks with valves and face shields allow spread of virus – Yahoo Lifestyle Australia
People wearing plastic face shields or masks fitted with a valve can spray invisible droplets over a very wide area when they sneeze or cough, making the devices ineffective at preventing the spread of coronavirus when used on their own, a simulation model sh…

People wearing plastic face shields or masks fitted with a valve can spray invisible droplets over a very wide area when they sneeze or cough, making the devices ineffective at preventing the spread of coronavirus when used on their own, a simulation model shows.
In a report published Tuesday in the US journal Physics of Fluids, researchers at Florida Atlantic University used vertical and horizontal laser sheets to track tiny droplets of distilled water and glycerin as they spread from a holl…
-
Noosa News10 hours ago
Teenage boy crashes into Ipswich home, left fighting for life in hospital
-
General15 hours ago
Shored against our ruins
-
Noosa News18 hours ago
City of Moreton Bay throws homeless people’s tents into garbage trucks
-
General16 hours ago
UN special envoy Julie Bishop makes first trip to Myanmar after earthquake