Watch PBS' "The Elegant Universe" Online

An apple is broken down into its most fundamental structures, the "strings."

Image: PBS.org

PBS' three-hour miniseries, titled "The Elegant Universe," can be viewed online from the organization's website by following this link. This program, adapted from Brian Green's book The Elegant Universe, explains "string theory" in comprehensible terms. According to "string theory," the most basic particles which make up everything consist of rubberband-like "loops" or "strings." The documentary can be viewed in either Quicktime or RealVideo.

--PBS also provides a glossary for relevant terms