The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
End of term 2008 crawl of .gov domains gathered by University of North Texas. This data is currently not publicly accessible.
UNT is a student-focused, public, research university located in Denton, Texas.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/all/20080916053747/http://www.nsf.gov/
Einstein's Big Idea
NOVA pays tribute to Albert Einstein's remarkable equation, a special two-hour presentation that dramatizes the stories of the men and women whose innovative thinking across four centuries led to Einstein's bold breakthrough.
