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2. Molecular diffusion - Wikipedia

   en.wikipedia.org/wiki/Molecular_diffusion

   The self-diffusion coefficient of neat water is: 2.299·10 −9 m 2 ·s −1 at 25 °C and 1.261·10 −9 m 2 ·s −1 at 4 °C. [2] Chemical diffusion occurs in a presence of concentration (or chemical potential) gradient and it results in net transport of mass. This is the process described by the diffusion equation.

3. Fick's laws of diffusion - Wikipedia

   en.wikipedia.org/wiki/Fick's_laws_of_diffusion

   Fick's first law relates the diffusive flux to the gradient of the concentration. It postulates that the flux goes from regions of high concentration to regions of low concentration, with a magnitude that is proportional to the concentration gradient (spatial derivative), or in simplistic terms the concept that a solute will move from a region of high concentration to a region of low ...

4. Fractional anisotropy - Wikipedia

   en.wikipedia.org/wiki/Fractional_anisotropy

   Fractional anisotropy (FA) is a scalar value between zero and one that describes the degree of anisotropy of a diffusion process. A value of zero means that diffusion is isotropic, i.e. it is unrestricted (or equally restricted) in all directions.

5. Dick Van Dyke Gathers 'Big Family' at Home Ahead of 99th ...

   www.aol.com/dick-van-dyke-gathers-big-133000649.html

   PEOPLE is exclusively premiering Coldplay's extended directors’ cut music video for "All My Love" The video stars Dick Van Dyke, who reflects on his career ahead of his 99th birthday on Dec. 13

6. Diffusion-weighted magnetic resonance imaging - Wikipedia

   en.wikipedia.org/wiki/Diffusion-weighted...

   A variant of diffusion weighted imaging, diffusion spectrum imaging (DSI), [4] was used in deriving the Connectome data sets; DSI is a variant of diffusion-weighted imaging that is sensitive to intra-voxel heterogeneities in diffusion directions caused by crossing fiber tracts and thus allows more accurate mapping of axonal trajectories than ...

7. Chip, Chip, Hooray! It's National Cookie Day - AOL

   www.aol.com/chip-chip-hooray-national-cookie...

   History of National Cookie Day. National Cookie Day was first declared by none other than Sesame Street‘s Cookie Monster in 1976.The blue Muppet put it on the calendar on November 26, 1976 and ...