Evicting einstein ScienceaNASa a physics experiment on the drawing board for the International Space Station could help find the grand unifying\Theory of Everything March 26, 2004: Sooner or later, the reign of Einstein, like the reign of Newton before him, will
Theories and Experiments The goal of physics is to develop theories based on experiments A theory is a \guess,\expressed mathematically, about how system works The theory makes predictions about how a system should work Experiments check the theories' predictions Every theory is a work in progress
Chapter 3 Kinematics I: rectilinear motion Motion implies change, and it is change make life-and physics-visible and interesting. Kinematics is the theory about the description of motion. Physical theories are creations of the human intellect; they must be invented rather than discovered
Foreword plinary nature of food irradiation, involv. This reference guide is an ABC on food irradiation on ing branches of science such as microbiology, chemistry, the one hand and an encyclopedia of food irradiation on physics and nuclear technology, toxicology and nutri- the other. The authors have painstakingly compiled all