Contains more than 3700 entries "covering all commonly encountered physics terms and concepts, including terms relating to astronomy, astrophysics, and physical chemistry...

More than 1,300 entries covering "all areas of science, from physics and astronomy to medicine and ecology, including key figures in the fields of mathematics and technology...

Full text access to important definitional reference works in the Physical Sciences and Mathematics, published by the Oxford University Press...

Has information on the history of physics and astronomy, cartoons, online reference sources, and a nice directory of university physics departments around the world...

Online encyclopedia covering many areas in the sciences: chemistry, computer science, earth science, environmental science, forensic science, mathematics, physics, space and astronomy, and weather and climate...