The understanding of the phenomenological process related to the position of the Kirkendall plane is still lacking. In this study some aspects of Kirkendall and lattice plane migration in binary diffusion couples are studied by means of numerical simulations by the bi-velocity method. The...

Objective: To provide a county-level profile of the area variation in psychostimulant use in the U.S. Methods: We sepa-rated 3,030 U.S. counties into two categories of “low” and “high” use of ADHD drugs (based on data from the Drug Enforce-ment Administration, DEA), and then compared...

The compendium of ideas paper addresses two needs: 1) Involving more people in the GIS retrospective program; 2) Creating an initial compilation of ideas which promote mining the various literatures – public, learned, popular (media), professional, etc. – for nuggets such as new ways to add...