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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
Can We Survive the Destruction of the Earth?
10:34
What do we do to protect ourselves from extinction level events?
Will Mars or Venus Kill You First?
8:44
Our neighboring planets are not exactly the most hospitable places.
The Quantum Experiment that Broke Reality
10:27
The double slit experiment radically changed the way we understand reality.
The Origin of Matter and Time
9:21
Time to redefine our preconceived notions about mass and time.
When Time Breaks Down
8:04
We learned how motion gives matter its mass, but how does motion affect time?
The Future of Gravitational Waves
5:49
In 2015 LIGO announced the first detection of a gravitational wave... What happens next?
Juno to Reveal Jupiter's Violent Past
10:15
On July 4th 2016, the Juno spacecraft finally entered orbit around the planet Jupiter.
The True Nature of Matter and Mass
8:34
Are matter, mass, and time real?
The Higgs Mechanism Explained
7:49
What is the Higgs field and why is it a fundamental part of our universe?
Planck's Constant and The Origin of Quantum Mechanics
11:02
Planck's Length is the length below which the concept of length loses its meaning. Huh?
The Strange Universe of Gravitational Lensing
9:42
Contrary to how we perceive reality, spacetime is deflected through the lens of gravity
How to Build a Blackhole
10:58
Let’s build a black hole!
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