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 movement of particles from an area of high concentration to an area of low concentration. Diffusion is not to be confused with osmosis, which is the movement of water through a semi-permeable membrane. However, osmosis is a special case of diffusion. Lighting (as in photography).