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Is Time Travel Impossible?

Is Time Travel Impossible?

Season 5 Episode 37
12:33
Why We Might Be Alone in the Universe

Why We Might Be Alone in the Universe

Season 5 Episode 38
12:24
Does Life Need a Multiverse to Exist?

Does Life Need a Multiverse to Exist?

Season 5 Episode 39
13:09
Can You Observe a Typical Universe?

Can You Observe a Typical Universe?

Season 5 Episode 40
13:36
Is The Universe Finite?

Is The Universe Finite?

Season 5 Episode 41
12:25
The Doomsday Argument

The Doomsday Argument

Season 5 Episode 42
12:50
Do Black Holes Create New Universes?

Do Black Holes Create New Universes?

Season 5 Episode 43
12:24
How To Detect a Neutrino

How To Detect a Neutrino

Season 5 Episode 44
9:54
How To Capture Black Holes

How To Capture Black Holes

Season 5 Episode 45
12:02
What if Singularities DO NOT Exist?

What if Singularities DO NOT Exist?

Season 10 Episode 1
14:44
What Happens If We Nuke Space?

What Happens If We Nuke Space?

Season 10 Episode 2
15:13
Dark Forest: Should We Not Contact Aliens?

Dark Forest: Should We Not Contact Aliens?

Season 10 Episode 3
14:12
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PBS Space Time

Loop Quantum Gravity Explained

Season 5 Episode 36

It’s time we talked about loop quantum gravity. What exactly is it? What are the loops? And can it really defeat string theory in our quest for a Theory of Everything?
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5 Ways to Stop a Killer Asteroid
8:31
Season 2 Episode 8
5 Ways to Stop a Killer Asteroid
Asteroids incoming!
Why Haven't We Found Alien Life?
10:33
Season 2 Episode 7
Why Haven't We Found Alien Life?
Seems like Aliens SHOULD Be Out There!
Is The Alcubierre Warp Drive Possible?
7:21
Season 2 Episode 6
Is The Alcubierre Warp Drive Possible?
Is mankind capable of achieving warp speed?
Have Gravitational Waves Been Discovered?!?
9:38
Season 2 Episode 5
Have Gravitational Waves Been Discovered?!?
Has the last great prediction of Einstein's general relativity finally been verified?
5 REAL Possibilities for Interstellar Travel
10:54
Season 2 Episode 4
5 REAL Possibilities for Interstellar Travel
The prospect of interstellar travel is no longer sci-fi.
The Speed of Light is Not About Light
10:44
Season 2 Episode 3
The Speed of Light is Not About Light
The speed of light is often cited as the fastest anything can travel in our universe.
Will the Universe Expand Forever?
13:10
Season 2 Episode 26
Will the Universe Expand Forever?
Many have tried to speculate about what the fate of the universe would be.
What Happens At The Edge Of The Universe?
7:43
Season 2 Episode 2
What Happens At The Edge Of The Universe?
Lots of people believe the Universe is infinite, but are they wrong?
Does Dark Matter Break Physics?
7:43
Season 2 Episode 1
Does Dark Matter Break Physics?
Dark matter. What is it? Where does it come from?
Do Events Inside Black Holes Happen?
11:50
Season 1 Episode 25
Do Events Inside Black Holes Happen?
Black holes are mammoths in the world of science AND sci-fi.
What Physics Teachers Get Wrong About Tides!
9:09
Season 1 Episode 24
What Physics Teachers Get Wrong About Tides!
We all know tides have something to do with gravity from the Moon and Sun.
General Relativity & Curved Spacetime Explained!
8:52
Season 1 Episode 23
General Relativity & Curved Spacetime Explained!
Is gravity even a force at all?
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