Back Draft Effect News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Risk. now, this type of setup simulates an office environment. it's a plexiglass desk with three sides. you might also find this in the classroom. the question is, if somebody coughs, will it stop the spread? so, let's turn out the lights and find out. the three-sided screen helps contain a significant portion of the droplets. most swirl within. >> so, the screen also slows down the force of the cough jet. >> yeah, exactly. >> reporter: still, he warns if the air in the room is flowing toward the source of the cough, there could be a back draft effect. in that case, the virus trapped behind th...

Risk. now, this type of setup simulates an office environment. it's a plexiglass desk with three sides. you might also find this in the classroom. the question is, if somebody coughs, will it stop the spread? so, let's turn out the lights and find out. the three-sided screen helps contain a significant portion of the droplets. most swirl within. >> so, the screen also slows down the force of the cough net. >> yeah, exactly. >> reporter: still, he warns if the air in the room is flowing toward the source of the cough, there could be a back draft effect. in that case, the virus trapped behind th...