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The Crisis in Cosmology

The Crisis in Cosmology

Season 5 Episode 9
13:17
Perpetual Motion From Negative Mass?

Perpetual Motion From Negative Mass?

Season 5 Episode 10
14:28
Sound Waves from the Beginning of Time

Sound Waves from the Beginning of Time

Season 5 Episode 11
12:48
Will You Travel to Space?

Will You Travel to Space?

Season 5 Episode 14
12:46
Is Dark Energy Getting Stronger?

Is Dark Energy Getting Stronger?

Season 5 Episode 15
14:31
The Edge of an Infinite Universe

The Edge of an Infinite Universe

Season 5 Episode 17
15:16
The Holographic Universe Explained

The Holographic Universe Explained

Season 5 Episode 18
14:39
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PBS Space Time

Why String Theory is Wrong

Season 5 Episode 6

There’s this idea that beauty is a powerful guide to truth in the mathematics of physical theory. String theory is certainly beautiful in the eyes of many physicists. Beautiful enough to pursue even if it’s wrong?

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Season
The Unruh Effect
10:52
A black hole can never catch up to you, but the Unruh radiation it generates sure can.
The Andromeda-Milky Way Collision
9:15
The Andromeda galaxy will inevitably collide with our own Milky Way. Will that be the end?
Scientists Have Detected the First Stars
9:03
What do the first stars, dark matter, and superior siege engines have in common?
Hawking Radiation
12:00
Stephen Hawking's most famous prediction: the theory of Hawking Radiation.
Should Space be Privatized?
9:16
Will the future of space exploration be guided by public or private entities?
The Trebuchet Challenge
8:25
Do you have what it takes to calculate the awesome power of the trebuchet?
The Death of the Sun
9:01
What exactly will happen when the sun dies?
What is Energy?
11:20
Energy is the most powerful and useful concept in all of physics, but what exactly is it?
Kronos: Devourer Of Worlds
7:42
What happens when a star eats its planets? Find out on today’s Space Time Journal Club.
The End of the Habitable Zone
9:55
The Sun is getting brighter and the habitable planets in our solar system are changing.
Horizon Radiation
12:03
What is Horizon radiation? How does it apply to the Unruh Effect and Hawking Radiation?
What Do Stars Sound Like?
9:14
We can now map the interiors of stars by “listening” to their seismic wave harmonies.
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