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Theoretical Physics
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Theoretical Physics
Ethan Siegel
in
Starts With A Bang!
Sep 11
Inflation and dark matter are not like string theory
Inflation, dark matter, and string theory are all…
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602
18 responses
Ethan Siegel
in
Starts With A Bang!
Jun 25
The one reason that physicists won’t give up on supersymmetry
Almost 100 years ago, an asymmetric…
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892
12 responses
Ethan Siegel
in
Starts With A Bang!
May 10
The big idea that our Universe is a hologram
Holograms preserve all of an object’s 3D information, but…
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925
10 responses
Ethan Siegel
in
Starts With A Bang!
Apr 25
The big idea of Grand Unified Theories of physics
If the electromagnetic and weak forces unify to make…
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438
4 responses
Ethan Siegel
in
Starts With A Bang!
Mar 26
Why “incompleteness” matters in theoretical physics
Physicists just can’t leave an incomplete theory…
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487
5 responses
Ethan Siegel
in
Starts With A Bang!
Mar 15
Ask Ethan: How do symmetries work in physics?
Symmetries aren’t just about folding or rotating a piece…
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432
4 responses
Ethan Siegel
in
Starts With A Bang!
Jun 8, 2023
Hawking radiation isn’t just for black holes, study shows
In 1974, Hawking showed that black holes…
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178
4 responses
Ethan Siegel
in
Starts With A Bang!
Apr 25, 2023
All of our “theories of everything” are probably wrong. Here’s why
For decades, theorists have been…
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964
21 responses
Ethan Siegel
in
Starts With A Bang!
Mar 14, 2023
The big theoretical problem of dark energy
The zero-point energy of empty space is not zero. Even with…
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361
9 responses
Ethan Siegel
in
Starts With A Bang!
Dec 23, 2022
Ask Ethan: Do protons really contain charm quarks?
Every proton contains three quarks: two up and one…
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687
9 responses