Lmst

Another of my videos just hit 1.1k views

📹<^-^7🎨

#art #artist #illustrator #illustrated #quantummechanics #generalrelativity

One of my Quantum Mechanical Diagrams is currently trending and just hit 1.8K views in the last hour. Kinda making me nervous haha

https://youtube.com/shorts/U5NmyrMgzPw

#art #artist #illustrator #illustrated #quantummechanics #generalrelativity #science #illustration

I guess I'm #writing again, because yesterday I brainstormed a bunch of ideas for #book three, (Moon,) and then I woke up at 2:30 AM, realizing (I think) that I had messed up the #generalrelativity between #books one (Atmosphere,) and two, (Ocean.) This, after I spent a whole lot of time trying to make it work during the writing #process. I have a tenuous grasp on the #theory. Wish I had a #physicist friend I could #brainstorm with. #physics #question

🚀 New open scientific release:
Hypercomplex General Relativity (RGH)
A quaternionic extension of General Relativity, implemented in CLASS cosmology code.
🔗 Code: https://github.com/lolotux69/class_public
🔗 Paper: https://zenodo.org/records/17535167
#OpenScience #TheoreticalPhysics #Cosmology #GeneralRelativity #OpenSource

I've come up with an equation that describes the early universe and how it was created. I've described and shown how symmetry breaking occurs due to black hole structure

I'm currently being considered for Mensa here in Australia because of my Quantum Mechanical Diagrams

<O,O>

#art #artist #illustrator #illustrated #quantummechanics #generalrelativity

A detailed, interconnected structure labeled “Quantum Singularity” with the equations

A layered, spiraling diagram with the text "Two infinitly dense regions of spacetime can act as (causality)² and Matter is spun up through pressure gradients as they simultaneously (fall into and away from one another, expanding information between them.)". Below this is an equation

The image is a hand-drawn illustration contained within a roughly circular border. The majority of the space inside the circle is filled with numerous overlapping, solid-colored circles of varying sizes. There are four prominent colors: pink, green, light blue, and pale purple, with green being the most abundant. The circles are arranged densely, creating a textured and somewhat chaotic pattern. The illustration appears to be done with colored pencils or markers, with some visible linework outlining the circles.

Text on the right side of the image reads: “DNA - Diagram of a quantum self-organization system.”

• Overall: At the very bottom, the image is signed “The Doctor - Hypatia-Fynn Lovelace, Thurs 6 Nov 2024”.―The image is a black and white drawing of a symmetrical, organic shape resembling a leaf or butterfly within an oval frame. The central shape consists of two curving, mirrored forms that meet at a narrow point. These forms are intricately detailed with a series of small, repeated curves and spiraling lines, creating a textured appearance. Extending from the central shape are radiating lines that fan outward, reminiscent of veins or wings. The radiating lines are thicker towards the center and taper as they extend toward the edge of the oval frame

I'm being considered for Mensa because of my Quantum Mechanical Diagrams

<O,O>

#art #artist #illustrator #illustrated #quantummechanics #generalrelativity

3I/ATLAS might have just proven Einstein's 1915 theory right before unusually deviating near the Sun, which resurfaces the question: Is it really a comet?
https://atlas.whatip.xyz/post.php?slug=3iatlas-might-have-just-proven-einsteins-1915-theory-right-before-unusually-deviating-near-the-sun-which-resurfaces-the-question-is-it-really-a-comet
"Unraveling Celestial Mysteries: Is 3I/ATLAS Really a Comet?" #CosmicEnigma #EinsteinTheoryConfirmed
#space #astronomy #3iatlas #generalrelativity

I learned Einstein's General Relativity in 24 hours

#LookingGlassUniverse

#generalrelativity #physics #einstein

https://www.youtube.com/watch?v=KEce3se9bMI&list=UULFFk__1iexL3T5gvGcMpeHNA&index=1

Twin #blackhole collisions put #Einstein’s #generalrelativity to its most extreme test

https://www.sciencedaily.com/releases/2025/10/251029100139.htm

Macroscopic Theories Of Matter And Fields A Thermodynamic Approach ( Advances in Science and Technology in the USSR)

Advances in Science and Technology in the USSR
Mathematics and Mechanics Series

This is a collection of articles by Soviet scientists on current issues of building macroscopic models of matter and fields. Based on thermodynamics concepts the papers develop general variational techniques of modeling material continuous media and fields allowing for their interactions in reversible and irreversible processes. The book is intended for researchers, engineers, graduate and postgraduate students interested in the mechanics of continuous media.

Translated from the Russian by Eugene Yankovsky

You can get the book here and here.

Twitter: @MirTitles
Mastodon: @mirtitles@mastodon.world
Mastodon: @mirtitles@mastodon.social
Bluesky: mirtitles.bsky.social

Contents
Preface, L. I. Sedov 7
A Thermodynamic Approach to the Basic Variational Equation for Building Models of Continuous Media, L. I. Sedov 19
Applying the Basic Variational Equation for Building Models of Matter and Fields, L. I. Sedov 43

Introduction 43
Definitions 43
Variations of Tensors for Which Scalar Invariants Retain Their Form 46
Special Types of Tensor Components Qlj 48
Defining Variations and Their Interrelationship in the Comoving and the Observer’s Reference Frame 50
Auxiliary Formulas for Variations 55
Given Scalar and Tensor Parameters Characterizing Models of Material Media and Fields 56
The Determining Parameters in the Characteristics of a Continuous Medium as a Whole and the Characteristics of Individual World Lines 60
The Basic Variational Equation and Identities Following from the Scalar Nature of the Lagrangian Density 62
The Euler Equations for the Basic Variational Equation (2.8.1) 66
The Conditions at Strong Discontinuities 71
On Models of Fluids 74
An Elastic-Body Model 79
Constructing Models of Fields 81
A Model of Interacting Material Medium and Electromagnetic Field 83
Examples 90
Transition from Relativistic to Newtonian Mechanics in the Presence of Irreversible Processes, L. T. Chernyi 98
The Basic Vibrational Equation 98
The Euler Equations and Conditions on Discontinuities 102
Transition to Newtonian Mechanics 106
Irreversible Processes 108
Conclusion 114
Models of Ferromagnetic Continuous Media with Magnetic Hysteresis, L. T. Chernyi 116

Introduction 116
The Determining Parameters 118
The Variational Principle and the Main Equations 121
A Phenomenological Theory of Irreversible Processes 126
Some Corollaries of the General Theory 130
Examples of Models of Magnetizable Media 137
Magnetizable and Polarizable Media with Microstructure, V. A. Zhelnorovich 141

The Determining Parameters of Magnetizable and Polarizable Media with Microstructure 141
Relaxation Models of Magnetizable and Polarizable Media Without Microstructure 150
Models of Magnetizable Liquids with Intrinsic Moment of Momentum 156
Couette Flow of an Incompressible Viscous Magnetizable Liquid 156
Poiseuille Flow in Cylindrical Channel 157
Magnetoacoustic Waves in Magnetizable Liquids 160
On Exact Solutions for Interacting Gravitational and Electromagnetic Fields, G. A. Alekseev 168

Introduction 168
The Einstein-Maxwell Equations in Matrix Form 169
Building the Associated Linear System and the Reduction Conditions 172
Soliton Solutions of the Einstein-Maxwell Equations 176
One-Soliton Solutions with Minkowski’s Space-Time as Background 180
Interaction of Solitons with a Uniform Electromagnetic Field 184
Neutrino Fields in General Relativity, N. R. Sibgatullin 187

Introduction 187
Canonical Equations of Neutrino Fields and Waves 188
On the Infinite Dimensional Algebra and the Lie Group of Neutrino Vacuum Equations 199
Exact Solutions of Neutrino Vacuum Equations 208
Rotation of the Polarization Vector of Gravitational Waves in a Burst of Neutrino Radiation 220
Tensor Representation of Spinor Fields, V. A. Zhelnorovich 224

Introduction 224
Dirac Matrices 224
The Spinor Representation of the Lorentz Group 226
Spinors in Four-Dimensional Pseudo-Euclidean Vector Space 231
Conjugate Spinors 233
The Relation Between Even-Rank Spinors and Tensors 234
The Relation Between First-Rank Spinors and Systems of Complex Tensors 234
Real-Valued Tensors Determined by a Spinor 238
Rotations in Four-Dimensional Space and Spinors 240
Invariant Spinor Subspaces 243
Spinors in Three-Dimensional Euclidean Space 244
Tensor Representation of Spinors in Three-Dimensional Euclidean Space 246
Rotations in Three-Dimensional Space and Spinors 248
Tensor Representation of Differential Spinor Equations in the Minkowski Space 250
Some Solutions of Differential Equations for Relativistic Models of Magnetizable Fluids with Intrinsic Angular Momentum in an Electromagnetic Field 254
Index 26

#elementaryParticles #generalRelativity #mirPublishers #physics #quantumMechanics #sovietLiterature #variationalPrinciples

Asked the duckduckgo free versions of AI:

Given the more specific answer for radial and tangential velocity in
https://physics.stackexchange.com/questions/814589/what-is-tangential-and-radial-velocity-of-light-in-schwarzschild-metric-at-dista ,

what is general velocity of light in Schwarzschild metric at distance 𝑟 for observer that is infinitely far away?

Results are as expected: the radial and tangential results are recited and then a train wreck.

#physics #generalRelativity #math #schwarzschild

New Simulations Show Electrodynamic Aspects of Black Hole Mergers and Gravitational Waves

Researchers at the California Institute of Technology have performed advanced simulations demonstrating that gravity in strong fields, such as those produced during binary black hole mergers, can be effectively described using Maxwell's equations, which are traditionally used in electromagnetism. Th... [More info]

In 1965, Roger Penrose made a groundbreaking discovery in mathematical physics. He demonstrated that under two simple assumptions, space-time inevitably leads to singularities—points where it ends. This landmark paper has been hailed as the most crucial contribution to general relativity since Einstein. #Physics #GeneralRelativity #RogerPenrose

https://www.quantamagazine.org/singularities-in-space-time-prove-hard-to-kill-20250527/

This is a fun twist:

Though astronauts aboard the International Space Station age more slowly (at a rate of about 0.01 seconds per year or--as I calculated earlier--about 317 picoseconds per second), a computer at the top of a server rack would experience time more quickly than one at the rack's bottom.

That's because the orbital speed of ISS negates gravitational time dilation.

https://en.wikipedia.org/wiki/Gravitational_time_dilation

#science #GeneralRelativity #ScientificComputing

New video by dialect:
Mastering Riemannian Curvature: Parallel Transport & Connections
https://www.youtube.com/watch?v=MRU2D6sLpU0&t=13 #geometry #generalrelativity #physics

Relativity ...

I believe I understand the usual calculations for time dilation and length contraction using the concepts of an inertial frame of reference and watching a "clock" that consists of light bouncing between two mirrors.

I'm pretty sure I've got that.

So ... are there are similarly elegant thought experiments to show:

* why clocks run slower when they are in a gravity well?

* why clocks run slower when accelerating?

What should I be reading?

Assume I know nothing about tensors, but am happy with complex numbers, calculus, and matrices.

#Relativity #GeneralRelativity #ThoughtExperiment

There're two books on black holes that assume a previous course in General Relativity. They are "An Introduction to Black Hole Physics" (Frolov) and "Black Holes: an Introduction" (Raine & Thomas). Does anyone know them and can recommend one or the other? #physics #generalrelativity #relativity

If you want to read all the fun science in its full glory, this way please:

📄 “GW250114: Testing Hawking’s Area Law and the Kerr Nature of Black Holes”, Phys. Rev. Lett. 135, 111403, https://journals.aps.org/prl/abstract/10.1103/kw5g-d732 (Open Access)

📄 “Black Hole Spectroscopy and Tests of General Relativity with GW250114”, arXiv:2509.08099, https://arxiv.org/abs/2509.08099

#GW250114 #10YearsGW #GravitationalWaves #Astrophysics #BlackHoles #GeneralRelativity

✨ Exciting news to celebrate the 10-year anniversary of gravitational-wave astronomy 🎂

A recent gravitational-wave signal, known as GW250114, is the clearest one observed to date.

Its source and intrinsic signal strength are quite similar to those of the first-ever signal, GW150914, which was observed almost exactly 10 years ago.

However, improvements of the detectors, waveform models, and analysis methods over the past decade have resulted in a much clearer detection.

This allows scientists to conduct some of the most stringent tests of general relativity and confirm Hawking's black hole area theorem.

For the first time, researchers have identified or constrained at least three different gravitational-wave tones during the ringdown. This is the phase in which the remaining black hole settles into its final state right after the merger.

➡️ https://www.aei.mpg.de/1286736/ten-years-of-gravitational-wave-astronomy-and-the-clearest-signal-yet

#BlackHoles #GeneralRelativity #GW250114 #GW150914 #10YearsGW
#Astronomy #Astrophysics

Artist’s impression of a newly-formed black hole ringing down after a binary black hole merger while emitting gravitational waves. Image: Maggie Chiang for the Simons Foundation

Black holes question:

1. As things get to the event horizon, their speed converges to zero, being zero at the event horizon --- according to the distant observer.

2. There is a singularity inside with infinite density where all that mass went to.

How and in particular WHEN can anything get to the singularity if it stops at the event horizon --- when basing WHEN on our normal calendar.🤔

More elaborate: https://miamao.de/blog/2025-08/31.Black_Holes_Singularity_Seriously.html

#astrophysics #gr #generalrelativity #blackhole #physics

#GeneralRelativity

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