Diffusion is the movement of particles from higher to lower concentrations. Diffusion happens naturally and so does not require energy. Substances like oxygen, carbon dioxide and glucose move in ...

Using the information on production technology at each plant, we show that the major source of the decline is due to the diffusion of new technology; The labor share decreases for the plants adopting ...

A study by Joseph J. Mangano, an epidemiologist with the Radiation and Public Health Project, sheds light on the impact of radioactive contamination on Pike County. Released last summer, the study ...