How to find a logged-in user remotely using PowerShell. A common task any Windows admin might have is finding out, locally or remotely, which user account is logged onto a particular computer. Many tools exist for this purpose, and one of them, of course, is PowerShell.
diffusion - (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration. natural philosophy, physics - the science of matter and energy and their interactions; his favorite subject was physics.
Diffusion is the net movement of material from an area of high concentration to an area with lower concentration. The difference of concentration between the two areas is often termed as the concentration gradient, and diffusion will continue until this gradient has been eliminated.