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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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The Alchemy of Neutron Star Collisions
11:24
Many heavy elements were produced in a spectacular event: the collision of neutron stars.
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
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