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NOVA

The Fabric of the Cosmos: Universe or Multiverse?

Season 38 Episode 19 | 53m 10s

Hard as it is to swallow, cutting-edge theories are suggesting that our universe may not be the only universe. Instead, it may be just one of an infinite number of universes that make up the "multiverse." In this show, Brian Greene takes us on a tour of this brave new theory at the frontier of physics, showing what some of these alternate realities might be like.

Aired: 11/21/11
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Watch • 0:30
NOVA
Ultimate Crash Test: Impact Preview
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
Preview: S52 E11 | 0:30
Watch • 0:30
NOVA
Ultimate Crash Test: Countdown Preview
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.
Preview: S52 E10 | 0:30
Watch • 4:18
NOVA
These Smart Glasses Know Who You Are, and Much More
Two students created glasses that can identify people on the street, without them knowing.
Clip: S52 | 4:18
Watch • 0:30
NOVA
Secrets of the Forest Preview
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Preview: S52 E8 | 0:30
Watch • 3:04
NOVA
Why Just Planting Trees Won’t Save the Planet
Could restoring lost forests help slow climate change?
Clip: S52 E8 | 3:04
Watch • 0:30
NOVA
Revolutionary War Weapons Preview
Explore key military technologies in the American colonies’ fight for freedom.
Preview: S52 E7 | 0:30
Watch • 4:57
NOVA
How Deadly Was the Musket?
A team of experts put an 18th-century musket to the test — revealing how deadly it really was.
Clip: S52 E7 | 4:57
Watch • 10:49
NOVA
The World’s First Combat Submarine
Its nickname was the “Turtle”.
Clip: S52 E7 | 10:49
Watch • 5:17
NOVA
The Rocket-Less Future of Space Travel
Space elevators? Nuclear rockets? The future of space travel could look radically different.
Clip: S52 | 5:17
Watch • 5:07
NOVA
4 Ways the Universe Could End
If the universe as we know it started with the Big Bang, will it also have an end?
Clip: S52 | 5:07
All
  • All
  • NOVA Season 52
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  • NOVA Season 40
  • NOVA Season 39
  • NOVA Season 38
  • NOVA Season 37
  • NOVA Season 36
  • NOVA Season 35
  • NOVA Season 34
  • NOVA Season 33
  • NOVA Season 32
  • NOVA Season 31
  • NOVA Season 30
  • NOVA Season 28
  • NOVA Season 27
  • NOVA Season 23
NOVA
Ultimate Crash Test: Impact
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
Episode: S52 E11
NOVA
Ultimate Crash Test: Countdown
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.
Episode: S52 E10
Watch • 53:41
NOVA
Secrets of the Forest
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Episode: S52 E8 | 53:41
Watch • 53:39
NOVA
Revolutionary War Weapons
Explore key military technologies in the American colonies’ fight for freedom.
Episode: S52 E7 | 53:39
Watch • 53:32
NOVA
Baltimore Bridge Collapse
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
Episode: S52 E6 | 53:32
Watch • 53:40
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Episode: S52 E5 | 53:40
Watch • 53:40
NOVA
Egypt's Tombs of Amun
A long-lost ancient cemetery opens the door to a unique period in Egyptian history.
Episode: S52 E4 | 53:40
Watch • 53:40
NOVA
Dino Birds
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
Episode: S52 E3 | 53:40
Watch • 53:43
NOVA
What Are UFOs?
Can science reveal the secrets of mysterious objects seen in our skies?
Episode: S52 E1 | 53:43
Watch • 53:40
NOVA
Lost Tombs of Notre Dame
Mysterious bodies are found under one of the world’s most famous cathedrals.
Episode: S51 E18 | 53:40