@DaddyWarbits The conclusion is not surprising: in order to effectively filter aerosolized particles you have to be… https://t.co/0HvuKPW17g
Mask science: Fluid Mechanics Research Laboratory at the University of Waterloo concludes that standard surgical an… https://t.co/CRFQV3xB04
Highlights from the 7th annual @SatoshiRoundtbl https://t.co/K2Grod5qgZ