diffusion
"Diffusion is like osmosis (covered on our other web page) and it is the tendency of molecules to move from areas low concentration to areas of higher concentration. For example if there is a concentrated amount of a perfume released into an air filled room the perfume will slowly diffuse until equilibrium occurs."
"statistical mechanics diffusion theory - diffusion is like fleas hopping and electrodiffusion is like fleas hopping in a breeze. Thus, fleas that were hopping in a ... " The link is an academic paper on membrane transport.
"Simple diffusion is like a random walk, Banavar explains. In such a walk, the direction of each successive step is governed by chance. If a crowd of random walkers starts from the same point, the pattern of dispersal of the crowd is predictable. At first, the walkers cluster relatively near the starting point, with only a few farther away. As time goes on, this bell-curve distribution becomes flatter and flatter until the crowd of walkers is evenly dispersed from the starting point, like the dye in the water bucket."
"Consider 10 runners who were so closely matched that they had essentially equal times for running a 1000 metre race. Now suppose half of the runners were required to carry an extra 10 kg mass that was attached to them by a belt or backpack. Likely the 5 who had to carry the extra mass would now lag behind the rest of the runners."
"Diffusion is the concept from experimental science. Molecules will move cross cell membranes, form high concentration to a low concentration. To me, diffusion is like tree branches. The starting point is the root. And it distributes the nutrition to the branches, and then sub-branches, finally reach to the tip. "
In a big organization, no one is responsible and few if any are accountable. This is also applicable to our Federal Government,most obviously, The US Congress where to one is really responsible for anything.....
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