News for hackers. Stuff that matters.
Re:Unimpeded Permeation of Water Through Helium-Leak–Tight G... by rkagerer on Wednesday February 15, 2023 @09:41PM (#34814297)
What is kinetic diameter?
Re:Unimpeded Permeation of Water Through Helium-Leak–Tight G... by mensetmanusman on Wednesday February 15, 2023 @09:51PM (#34814368)
https://pubs.acs.org/doi/10.1021/jp412588f

Has to do with how to define the diameter of a molecule/atom when you consider how it interacts with other matter.

Atoms are fuzzy since they are mostly electrons moving about, thus there are a few different ways to define diameter depending on how this cloud behaves.