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PBS Space Time
Are Axions Dark Matter?
Season 6
Episode 4
What does the strong nuclear force, the fundamental symmetries of nature, and a laundry detergent have in common? They’re all important parts of the tale of the axion - a tale whose end may take us beyond the standard model and solve one of the most vexing mysteries in astrophysics.
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12:48
We talk about some real experiments that claim to have demonstrated Zeno's phenomenon.

13:08
The crisis in cosmology has actually gotten worse, which means we may be onto something!

13:24
We explore if there is a true connection between light and gravity.

8:55
We explore that it's the warping of time that causes gravity.

13:54
There's a galaxy-spanning gravitational wave detector that has provided a breakthrough.

13:03
We try to make contact with dark matter particles and enter into the Dark Universe.

12:32
We delve into some of the most famous paradoxes of special relativity.

12:43
Transitions of quantum systems have always defied observation...until now.

12:11
Erwin Schrödinger provides a new perspective that helps us navigate quantum mechanics.

12:12
This is a new type of supernova that can only happen at the end of the universe.

12:07
Why do we remember the past and not the future?

10:36
It's time to begin our journey towards really understanding time.