Up Next
Back to Show
Watch Preview
NOVA
The Fabric of the Cosmos: The Illusion of Time
Season 38
Episode 17
Time. We waste it, save it, kill it, make it. The world runs on it. Yet ask physicists what time actually is, and the answer might shock you: They have no idea. Even more surprising, the deep sense we have of time passing from present to past may be nothing more than an illusion. How can our understanding of something so familiar be so wrong?
Support Provided By
1:52:42
The story of how African-American Percy Julian defied the odds to become a famous chemist.
Unlock with PBS Passport
52:31
What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
Unlock with PBS Passport
53:31
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
50:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
51:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
53:50
An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
53:06
Will experimental particle physics confirm the wild predictions of string theory?
52:56
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?