Educational Blogging

To answer the query of what face masks actually do against coronavirus , a group of German doctors performed an experiment. They set a circled-shaped mirror in the background, which, combined with a unique photography technique, lets you see the airflow.  In this case, it indicates the distance traveled by the air particles when someone breathes. And when they cough, which allows the respiratory particles to move further and faster. The experiment also looks on when someone coughs into one's hand and onto the elbow. And the result also shows the travel of air particles when coughing with two types of masks: dust and a surgical mask.  It is not a scientific study. It just shows something that masks are capable of: They inhibit the respiratory particles flow. But if you were told to wear a mask to prevent the spread of COVID-19, it will probably depend on where you live. In some East Asian countries, wearing a face mask is already common practice. Some Europea...