This computer-generated rendering represents aspects of the natural phenomena of radiosity: “When a surface has a reflective light component, it not only shows up in this image, it also shines light at surfaces in its neighbourhood. And vice-versa. In fact, light bounces around in an environment until all light energy is absorbed (or has escaped!).” […]

This video segment adapted from NOVA scienceNOW reviews the debate over the definition of a planet. Take a test drive of the open access Teachers’ Domain resource What is a Planet here.

On June 1, 2007 Teachers’ Domain http://www.teachersdomain.org/ announced the launch of Open Educational Resources–video segments, interactive activities, and lesson plans in earth science, engineering, […]

This photograph from the “dust explosion” media piece is part of Chemistry Comes Alive! The demonstration illustrates the principle behind a grain elevator explosion.
By Terry Devitt, University of Wisconsin. If you’re a fan of the chemistry that makes things explode, glow, sputter, spin and change color, the Journal of Chemical Education has a Web site […]