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.
Simple diffusion is a type of passive transport where no energy is required for molecules to move out or into the cell. However, there are times when large molecules cannot, on their own cross the plasma membrane and are helped across the membrane by carrier proteins. This process is known as facilitated diffusion.