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Operates on behalf of the astronomers at all ten UC campuses and is comprised of extensive technical facilities, a business office, telescope and support facilities ...

An Open Archives Initiative (OAI) compliant archive of electronic preprints in physics, mathematics, computer science, and non-linear sciences. Created by Paul ...

A text book tutorial on the modern physics of Albert Einstein's theories of special relativity and general relativity.

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS ...

Breaking news, sport, TV, radio and a whole lot more. The BBC informs, educates and entertains - wherever you are, whatever your age.