A seemingly simple question such as “how high does a sneeze guard have to be” can get complicated quickly.
First of all, sneezes are complex. An oft-cited study by MIT researchers shows sneezing works a lot like flicking paint off a paintbrush at 100 mph—long mucus filaments eventually break up into smaller and smaller droplets the farther away from the source they get. Continue reading How to Determine the Best Height for a Sneeze Guard