Effectiveness of DIY face masks
Credit: KTNV Channel 13 Las Vegas
Duration: 00:39s
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MASKS...TO FIND THE MOST EFFECTIVE FACECOVERING TO HELP STOP THESPREAD OF COVID-19.THEY MADE A MANNEQUIN HEAD THATSNEEZES OR COUGHS.AND USED LASERS TO DETECTRESPIRATORY DROPLETS.THEIR RESULTS SHOW THATDROPLETS FROM AN UNCOVEREDCOUGH WERE ABLE TO TRAVEL MORETHAN EIGHT FEET...DROPLETS FROM A BANDANA-COVEREDCOUGH TRAVELED THREE FEET...WITH A FOLDED COTTONHANDKERCHIEF, DROPLETS TRAVELEDONE FOOT, THREE INCHES.AND WITH THE CONE-STYLEMASKS...THEY TRAVELED ABOUT EIGHTINCHES.STITCHED-QUILTING FABRIC MASKSWERE THE MOST EFFECTIVE...WITH DROPLETS TRAVELINGTWO-POINT-FIVE INCHES.SOME MAJOR UPDATES IN THE