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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
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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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Season
The Cosmic Dark Ages
12:29
There was a time before the first star ignited. A time we call the cosmic dark ages.
Why Quantum Computing Requires Quantum Cryptography
13:58
Quantum computing is cool, but you know what would be extra awesome - a quantum internet.
The Real Science of the EHT Black Hole
11:07
The Real Science of the EHT Black Hole
No Dark Matter = Proof of Dark Matter?
10:37
We’ve been failing to detect dark matter for decades.
The Holographic Universe Explained
14:39
The Holographic Universe Explained
The Edge of an Infinite Universe
15:16
Have you ever asked “what is beyond the edge of the universe?”
Could the Universe End by Tearing Apart Every Atom?
13:21
Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.
Is Dark Energy Getting Stronger?
14:31
The power of Dark Energy may be increasing as the universe ages.
Will You Travel to Space?
12:46
Will You Travel to Space?
The Impossibility of Perpetual Motion Machines
12:28
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
Secrets of the Cosmic Microwave Background
13:53
Secrets of the Cosmic Microwave Background
Sound Waves from the Beginning of Time
12:48
Sound Waves from the Beginning of Time
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