Air filtration systems do not reduce the risk of picking up viral infections, according to new research from the University of East Anglia.
A new study published today reveals that technologies designed to make social interactions safer in indoor spaces are not effective in the real world.
Ahhh… I checked the size but thought microns and nanometers were interchangeable terms. Thanks for the correction.
I was taught μm stands for micrometers, which are 1,000 times smaller than millimeters. Nanometers(nm) are 1,000 times smaller than micrometers(μm), which means nanometers are CRAZY small!