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The New Crisis in Cosmology

The New Crisis in Cosmology

Season 7 Episode 11
13:08
The New Warp Drive Possibilities

The New Warp Drive Possibilities

Season 7 Episode 15
13:11
How To Know If It's Aliens

How To Know If It's Aliens

Season 7 Episode 16
14:08
Can Space Be Infinitely Divided?

Can Space Be Infinitely Divided?

Season 7 Episode 20
12:22
Electrons Do Not Spin

Electrons Do Not Spin

Season 7 Episode 22
14:05
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PBS Space Time

How Does Gravity Affect Light?

Season 7 Episode 10

We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all predict the same thing. And at first glance, these explanations seem to describe completely different causes. So what is the true connection between light and gravity, or is truth, in fact, entirely relative?

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Season
Anti-gravity and the True Nature of Dark Energy
12:04
We’ve come a long way in our understanding of dark energy.
What Does Dark Energy Really Do?
9:50
How does dark energy affect the universe's expansion?
Why the Universe Needs Dark Energy
9:33
What's needed to determine the shape and geometry of our universe?
We Are Star Stuff
10:38
Stars are our stellar alchemists.
Will Starshot's Insterstellar Journey Succeed?
8:51
Starshot is an interstellar travel expedition unlike any other before it.
How Cosmic Inflation Flattened the Universe
10:17
The Big Bang Theory only gets us part of the way there.
Why is the Earth Round and the Milky Way Flat?
10:48
Our universe is not a very diverse place when it comes to shapes.
What’s Wrong With the Big Bang Theory?
9:56
We continue our search for a grand unifying theory of the Big Bang!
Why the Big Bang Definitely Happened
8:54
The actual moment of ‘the Big Bang’ is still a bit of a grey area within physics.
Should We Build a Dyson Sphere?
10:14
The Kepler telescope recently found a strange partial eclipse...possibly a Dyson Sphere.
LIGO's First Detection of Gravitational Waves!
7:29
Gravitational waves have officially been detected by LIGO!
How the Quantum Eraser Rewrites the Past
10:06
Causality is meant to move in one direction: forward.
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