More Videos Online
Stephen Hawking's Universe: Mad Scientist Paradox
Hawking uses a variation of the "grandfather paradox" to show why time travel can give cosmologists nightmares.
Added: Apr 23, 2010
Views: 61135 Views
Runtime: 01:51
Related Videos
-
Wormhole VoyagesIf we could ever open a massive wormhole, could it be used as a portal for journeys to distant planets or the deep past?Stephen Hawking's Universe (01:34)
-
A Walk In TimeHawking and other visionary physicists consider the possibility of using wormholes as portals to the past and future.
Stephen Hawking's Universe (02:22)
-
Time Travel StarshipIn the future, a massive spaceship built for extreme velocities could acclerate to near light speed and travel into the future.
Stephen Hawking's Universe (02:40)
-
Black Hole TimeThe immense gravity of black holes makes them natural time machines and someday spacecraft may be able use them to journey into the future.
Stephen Hawking's Universe (02:32)
-
Gas Giant LifeOne possible form of extreme alien life may creatures that inhabit the dense atmospheres of gas giants.
Stephen Hawking's Universe (01:27)
-
Alien GrazersOn an Earth-like planet, a herd of alien herbivores grazes vertical cliff faces with the aid of specialized mouths and legs.
Stephen Hawking's Universe (01:45)
-
Stellar FactoriesThe nuclear furnances at the heart of every star create all the elemental building blocks needed for planets, moons and life.
Stephen Hawking's Universe (03:44)
-
Black Hole BirthdayWhen a star at least 20 times the size of our Sun runs out of fuel, nothing can stop the birth of a black hole.
Stephen Hawking's Universe (02:20)
-
Colonizing MarsUsing perfectly foreseeable technology, humans may one day transform the Martian environment and establish colonies.
Stephen Hawking's Universe (01:25)
-
Homegrown StarTo demonstrate how stars are formed, Hawking imagines what would happen if a soccer ball size star achieved fusion ignition in a sports stadium.
Stephen Hawking's Universe (02:42)
-
Cosmic Gravity DanceAll across the universe, galaxies are constantly colliding and reforming.
Stephen Hawking's Universe (02:18)
-
Human Self DestructionHawking believes that intelligence may be overrated, especially when it leads to weapons of mutual annihilation.
Stephen Hawking's Universe (01:40)
You Might Also Like
-
Time TravelDr. Michio Kaku explains that a wormhole is essentially a shortcut through space and time. Is time travel really possible? And if so, how do we avoid opening a metaphysical Pandora's box?
Prophets Of Science Fiction (02:33)
-
Sneak PeekThese sci-fi masters capture our imagination and inspire the future. Don't miss Stephen Hawking's Sci-Fi Masters on Science.
Stephen Hawking's Sci Fi... (00:30)
-
Something of NothingExplore the question of what could cause the spontaneous appearance of a universe with Stephen Hawking in this Curiosity video.
Curiosity (02:24)
-
ParadoxThis clip from Assignment Discovery on Discovery Channel describes a paradox and how it works mathematically.
Assignment Discovery (02:58)
-
Stephen Hawking and Black...On Discovery's Assignment Discovery, renowned physicist Stephen Hawking attempts to marry the quantum theorists and Einsteins loyalists to try and show both ideas and formulas work with black holes down to the smallest subatomic particles
Assignment Discovery Shorts (02:25)
-
Large Hadron ColliderChuck and Josh discuss the Large Hadron Collider. What is it, where is it, and why is it a big deal?
Stuff You Should Know (01:00)
-
An Emailable YouHow do you safely transport people across the galaxy? What if we could email...people?
Sci Fi Science (01:34)
-
Frozen In TimeMichio Kaku looks for a way to travel long distances through time and space, without using suspended animation.
Sci Fi Science (03:05)
-
The Butterfly EffectIf backwards time travel was possible, could we change history? Or is the power of space and time so great that time travelers would be unable to alter even the smallest detail?
Through the Wormhole (01:55)
-
Stephen Hawking Quantum...In 1970 Stephen Hawking was struggling with Einstein's theories.
Master of the Universe (02:19)
-
Stephen Hawking StudentsSome lucky students get the opportunity to meet with Prof. Hawking to discuss the matters of physics.
Master of the Universe (02:37)
-
Hawking's VoiceStephen Hawking has an unusual appetite for life. Though he's almost completely paralyzed, he continues to make scientific advances.
Master of the Universe (03:02)
Featured Playlist
The MythBusters answer viewer questions and respond to criticism about past episodes. (07:21:00)
Shop Discovery Channel
-
our sites
-
video
mobile
-
shop
-
stay connected
-
corporate
