What is Physical Information?

Опубликовано: 01 Март 2026
на канале: The Science Asylum

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A lot of physicists talk about "information" and just assume you'll figure out what it means by context... probably because they don't actually understand it. Hopefully, this video will fix all that! We'll talk about how physical information fixes a few relativity problems as well as how it relates to entropy and digital information.
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VIDEO ANNOTATIONS

Why is Light the Fastest Thing?
   • Why is Light the Fastest Thing?

Why Does Entropy Even Matter?
   • Why Does Entropy Even Matter?!?

The Uncertainty Principle:
   • The Uncertainty Principle is NOT about "Un...

Spacetime Diagrams:
   • The Basics of Spacetime... Diagrams

What the HECK is Light?!
   • What the HECK is Light?!
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LINKS TO COMMENTS

Abhijit Ghogre - Expanding Universe:
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Przemyslaw Szymusik - Sky Motion:
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EXTRA INFO LINKS

Logrithmic Universe Image:
Pablo Carlos Budassi [Unmismoobjetivo]
https://commons.wikimedia.org/wiki/Fi...

Veritasium and Vsauce on Randomness:
   • What is NOT Random?
   • What is Random?

Entropy:
https://en.wikipedia.org/wiki/Entropy...)
https://en.wikipedia.org/wiki/Second_...
https://en.wikipedia.org/wiki/History...
https://en.wikipedia.org/wiki/Statist...

Speed of Information:
https://en.wikipedia.org/wiki/Physica...
https://en.wikipedia.org/wiki/Faster-...
https://en.wikipedia.org/wiki/Speed_o...
http://math.ucr.edu/home/baez/physics...
https://en.wikipedia.org/wiki/Speed_o...
https://en.wikipedia.org/wiki/R%C3%B8...
https://en.wikipedia.org/wiki/Christi...

Information Theory:
https://en.wikipedia.org/wiki/Informa...
https://en.wikipedia.org/wiki/Informa...
https://en.wikipedia.org/wiki/History...
https://en.wikipedia.org/wiki/Entropy...
https://en.wikipedia.org/wiki/Entropy...)

1948 Paper(s) on Information:
https://en.wikipedia.org/wiki/A_Mathe...
http://ieeexplore.ieee.org/stamp/stam...
http://ieeexplore.ieee.org/stamp/stam...

Astronomy:
https://en.wikipedia.org/wiki/Betelgeuse
https://en.wikipedia.org/wiki/Androme...
https://en.wikipedia.org/wiki/Great_D...)

Star Chart by Dan Bruton
http://www.midnightkite.com/

History of Photography:
https://en.wikipedia.org/wiki/History...
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Morse Code Chart:
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Radio Tower:
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