xRefraction : Refraction is the deflection, or bending, of the ray path of a seismic wave caused by its passage from one material to another having different elastic properties; or the bending of a tsunami wave front owing to variations in the water depth along a
Scientists who study plants in the Sonoran Desert are worried about global warming. While desert winters have become warmer and drier over the years, climate changes have pushed the arrival of winter rains...Read more