WHAT IS ENTROPY? "Entropy is disorder." You've learned this from popular culture, you've learned this in your physical science, chemistry, or biology class. But what does that *mean*? We have an intuitive sense for what "disorder" is, but how do you really define it rigorously for a scientific concept? There are two ways to approach […]

A tutorial on "Optics for photographers”. This tutorial is intended to teach practical optical concepts to persons who are photographers but have not had formal training in optics and may […]

Photo: JAMSTEC Where? Abyss Observatory in JOGrid (OpenSim) Enable your OpenSim access here hop://jogrid.net:8002/Abyss Observatory/491/302/140 Who? Hajime Nishimura, Japan Agency for Marine-Earth Science and Technology (JAMSTEC),           Yan Lauria, Museum director […]

Monthly panel discussion With this week as subject “Climate Change” Moderator: Matthew Burr - Beragon Betts       Panel participants: Keith Eric Grant Phil Youngblood William F. Wall   […]