"This supplement to the Macmillan Encyclopedia of Physics presents the most recent data on particle physics...

"Covers all major areas of science, engineering, technology, as well as mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology...

Scholarpedia is an open access community developed resource in the areas of computational neuroscience, dynamical systems, computational intelligence and astrophysics...

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...