YouTube description: This video demonstrate how differently the air spreads when coughing. This visualizes the high importance of the World Health Organization's behavioral recommendations for protection against the coronavirus, which we should absolutely follow. The visualization was conducted using schlieren mirror of Chair of Building Physics of Bauhaus-University Weimar. #who #socialdistancing #coronavirus #covid19 #staysafe #schlierenvisualization #schlierenimaging #flowvisualization #coughingvisualization (via digg)
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