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Air Cleaners Don’t Stop You Getting Sick, Research Shows (www.uea.ac.uk)
submitted 2 years ago by to c/science@lemmy.ml
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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.

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[–] [S] 3 points 2 years ago* (last edited 2 years ago)

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!

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