WASHINGTON, August 17, 2021 -- Though hand-washing is proven effective in combating the spread of disease and infection, the physics behind it has rarely been studied. But in Physics of Fluids, by AIP ...

Hand washing with soap and water at a sink. Image by Lars Klintwall Malmqvist, via Wikimedia (Public Domain) Hand washing with soap and water at a sink. Image by Lars Klintwall Malmqvist, via ...

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Way back in the early, whirlwind days of the pandemic, surfaces were the thing to worry about. The prevailing scientific wisdom was that the coronavirus spread mainly via large droplets, which fell ...

There was a time in the not-too-distant past when hand-washing, even for doctors, wasn't considered part of basic hygiene. That is, until one man sounded the alarm. You have to hand it to Ignaz ...

Researchers describe a simple model that captures the key mechanics of hand-washing, estimating the time scales on which particles, like viruses and bacteria, were removed. Particles are trapped on ...