3. Dark matter - Josh Eby

Aug 2, 2019 · 1h 6m 28s
3. Dark matter - Josh Eby
Description

I'm speaking with Josh Eby, who is a physicist from Israel, about dark matter. Why do we know it is there? What can it be and what can't? How we...

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I'm speaking with Josh Eby, who is a physicist from Israel, about dark matter. Why do we know it is there? What can it be and what can't? How we are trying to find it.

00:50 How much of dark matter is out there?
1:25 Josh’s journey to the dark matter science?
6:10 Why do we know that there is dark matter?
6:20 Not dark - invisible
7:30 Rotation of galaxies
11:30 Large scale structure of the Universe
14:50 Collision of galaxy clusters (bullet clusters)
18:40 What can’t be dark matter?
18:50 Why it is not an interstellar gas
20:00 Why not small stars or big planets
22:30 Why not neutrino
26:00 why not black holes
32:00 Maybe something is wrong with our understanding of gravity? Modified Newtonian dynamics
35:30 Hypothetical particles which can form dark matter
37:30 WIMPs
43:40 Axions
52:10 Light shining through a wall experiment
54:25 Dark matter stars
58:50 Other ways to search for dark matter
59:00 AMS - particle detector in space
61:40 Dark matter at the Large hadron collider
63:30 Dark matter is a door to the new physics
64:30 Practical implementation of dark matter
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Author Andrey Seryakov
Organization Andrey Seryakov
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