Of course one reason there are "laws of physics" is what my late friend
Vic Stenger called Point Of View Invariance. This was his
generalization of Emmy Noether's theorem that showed every symmetry
implied a conservation law. So momentum is conserved because we want
any law of physics to be invariant under translation of a different
location. Energy is conserved because we want the laws of physics to be
the same at different times, etc.
Brent
On 12/27/2022 9:25 PM, Jason Resch wrote:
On Tue, Dec 27, 2022 at 4:52 PM <spudboy...@aol.com> wrote:
A well-covered essay you have there, Jason.
Thank you!
This almost goes to the essays by a few physicists which asks,
"Are there any laws?"
I would say yes, or perhaps evolving laws in an evolving cosmos?
But I am not the astronomer or physicist.
https://bgr.com/science/the-laws-of-physics-dont-actually-exist-according-to-this-physicist/
I am quite partial to some of the ideas that the laws, as we see them,
have much to do with the kind of observers we happen to be. I have
collected numerous quotes from physicists who have thought along these
lines here:
https://alwaysasking.com/why-does-anything-exist/#Why_Laws
and here:
https://alwaysasking.com/why-does-anything-exist/#Observation_as_Fundamental
Here are a couple examples:
"The top down approach we have described leads to a profoundly
different view of cosmology, and the relation between cause and
effect. Top down cosmology is a framework in which one essentially
traces the histories backwards, from a spacelike surface at the
present time. The no boundary histories of the universe thus
depend on what is being observed, contrary to the usual idea that
the universe has a unique, observer independent history. In some
sense no boundary initial conditions represent a sum over all
possible initial states."
-- Stephen Hawking
<https://en.wikipedia.org/wiki/Stephen_Hawking> and Thomas Hertog
<https://en.wikipedia.org/wiki/Thomas_Hertog> in “/Populating the
landscape: A top-down approach
<https://journals.aps.org/prd/pdf/10.1103/PhysRevD.73.123527>/” (2006)
"It is an attempt to explain the Goldilocks factor by appealing to
cosmic self-consistency: the bio-friendly universe explains life
even as life explains the bio-friendly universe. […] Cosmic
bio-friendliness is therefore the result of a sort of quantum
post-selection effect extended to the very laws of physics
themselves."
-- Paul Davies <https://en.wikipedia.org/wiki/Paul_Davies>in “/The
flexi-laws of physics
<https://www.newscientist.com/article/mg19426101-300-the-flexi-laws-of-physics/>/”
(2007)
Jason
On Tue, Dec 27, 2022 at 4:52 PM <spudboy...@aol.com> wrote:
A well-covered essay you have there, Jason.
This almost goes to the essays by a few physicists which asks,
"Are there any laws?"
I would say yes, or perhaps evolving laws in an evolving cosmos?
But I am not the astronomer or physicist.
https://bgr.com/science/the-laws-of-physics-dont-actually-exist-according-to-this-physicist/
-----Original Message-----
From: Jason Resch <jasonre...@gmail.com>
To: Everything List <everything-list@googlegroups.com>
Sent: Tue, Dec 27, 2022 5:59 am
Subject: Re: Physics? Ok Astronomers view 2 distant Water Worlds
so following the physics I ask..
There's an interesting relationship between the strength of the
electrostatic repulsion between two protons, and the gravitational
attraction of protons. It works out such that it takes ~10^54
protons gathered together in one place before the gravitational
attraction can overwhelm the electrostatic repulsion. In other
words, stars as as big and long-lived as they are because gravity
is so weak.
See:
https://alwaysasking.com/is-the-universe-fine-tuned/#Gravity_and_the_Lives_and_Deaths_of_Stars
For the calculation and references.
Jason
On Sun, Dec 25, 2022, 1:52 PM spudboy100 via Everything List
<everything-list@googlegroups.com> wrote:
https://scitechdaily.com/nasa-discovers-pair-of-super-earths-with-1000-mile-deep-oceans/
Would the mass of 1000 miles (1333 kilometers) with the mass
of liquid water induce nuclear fusion at the bottom of those
oceans??
Water, mass, gravity, crushing force? Like perhaps not
deuterium or deuterium-tritium fusion, but proton-proton fusion??
Would a space probe doing an orbit on such deep ocean view
white plasma glowing upwards? Would the damn things look more
like just another gas giant? Nothing spectacular, nothing
remarkable? Would closeness to its primary (star) have any
influence?
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