An evanescent wave arises at the interface of two media when light propagates from a more to a less-dense medium under total internal reflection. The wave is distributed over a superficial area because its amplitude decays exponentially with dis…
Washington, D.C. (November 9, 2010) — A switch to wind energy will help reduce greenhouse gas emissions — and reduce the global warming they cause. But there’s a catch, says climate researcher Diandong Ren, a research scientist at the University o…
Tampa, Fla. (Nov. 01, 2010) — When researchers tested three different labeling agents on three different stem cell populations to determine what effect the labeling agents had on stem cell phenotype, biological behavior and migration abilities, …