Public Broadcasting Service (PBS)

PBS, headquartered in Alexandria, Virginia, is a private, non-profit media enterprise owned and operated by the nation's 349 public television stations. A trusted community resource, PBS uses the power of noncommercial television, the Internet and other media to enrich the lives of all Americans through quality programs and education services that inform, inspire and delight. Available to 99 percent of American homes with televisions and to an increasing number of digital multimedia households, PBS serves nearly 100 million people each week.

It has a lot of geek stuff. For Eg: Watch The Elegant Universe

The link above gives a three hour video of the universe and string theory. It details on newton's and Einstien's theories.

PBS [Via Stumble! upon]

Die Dulci Fruere