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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
How To Simulate The Universe With DFT
14:14
Let’s learn how to cheat the universe.
How to Find Alien Dyson Spheres
14:28
Time to update you on the hunt for galactic empires.
What Happens If A Black Hole Hits Earth?
13:29
This is what happens if microscopic primordial black holes could actually hit Earth.
Are Black Holes Actually Fuzzballs?
14:07
Black holes of string theory - fuzzballs - are perhaps even weirder than the regular type.
What If Our Understanding of Gravity Is Wrong?
14:28
We learn more about Modified Newtonian Dynamics aka MOND.
Is Action The Most Fundamental Property in Physics?
14:28
ACTION is the concept in physics that may be more fundamental than energy and entropy.
Will Constructor Theory Rewrite Physics?
11:41
Constructor Theory is the ability to see the deepest underlying facts about the world.
New Results in Quantum Tunneling vs. The Speed of Light
13:00
New efforts in quantum tunneling show that superluminal motion may be possible.
Why Magnetic Monopoles Should Exist
14:15
The idea of magnetic monopoles remains one of physics’ most tantalizing maybes.
How Electron Spin Makes Matter Possible
15:10
The fact is that all electrons are the same as each other and the object is what changes.
Neutron Stars: The Most Extreme Objects in the Universe
14:14
We take a journey to the center of a neutron star, a place where matter exists in states.
First Detection of Light from Behind a Black Hole
12:21
Our cleverest astronomers have figured out ways to catch light that skims black holes.
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