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Symmetry
Starts With A Bang!
The Universe is out there, waiting for you to discover it.
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Symmetry
Ethan Siegel
in
Starts With A Bang!
Apr 5
Ask Ethan: How do symmetries lead to conservation laws?
First derived by Emmy Noether, for every…
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625
10 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 29, 2023
No, the laws of physics are not time-symmetric
Whether you run the clock forwards or backwards, most…
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578
11 responses
Ethan Siegel
in
Starts With A Bang!
May 9, 2023
Strange but true: the expanding Universe doesn’t conserve energy
The conservation of energy is one of…
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330
8 responses
Ethan Siegel
in
Starts With A Bang!
Feb 16, 2023
The Universe’s most unbreakable symmetry
The combination of charge conjugation, parity, and…
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288
5 responses
Ethan Siegel
in
Starts With A Bang!
Feb 1, 2022
The Universe is not symmetric
The laws of physics obey certain symmetries and defy others. It’s…
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419
4 responses
Ethan Siegel
in
Starts With A Bang!
Nov 26, 2021
Ask Ethan: Could axions be the solution to the dark matter puzzle?
The majority of the matter in our…
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274
1 response
Ethan Siegel
in
Starts With A Bang!
Apr 11, 2020
Ask Ethan: Why Can’t Time Be Reversed For Three-Body Systems?
In principle, the laws of physics are…
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306
2 responses
Ethan Siegel
in
Starts With A Bang!
Apr 1, 2020
This Is The One Symmetry That The Universe Must Never Violate
The combination of charge conjugation…
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443
4 responses
Ethan Siegel
in
Starts With A Bang!
Oct 14, 2019
This One Award Was The Biggest Injustice In Nobel Prize History
Many deserving potential awardees were…
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1.1K
11 responses