Provides an overview of particle physics, from basic concepts to particle accelerators, and profiles physicists responsible for advancing the field.

The study of matter is the study of all material things, as well as their ability to transform from one state to another. All matter assumes one of several basi

Britannica Concise Encyclopedia is the perfect resource for information on the people, places, and events of yesterday and today. Students, teachers, and librar

The origins of Liberty, the Rights of Man, Modern Science, and Evolution - and why they matter today.