Physics Channel

@physics@newsmast.community
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Welcome to the Newsmast Physics Channel. A curated feed of posts from the Fediverse, handmade by @newsmast@newmast.social, and broadcasting to Bluesky (if you've opted-in via @bsky.brid.gy)!

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I’ve been working on a math project involving the periodic table of elements and the Kepler problem — that is, the problem of a particle moving in an inverse square force law. I started in 2021, the year I retired from U. C. Riverside. I had driven my wife across the country to DC, and spent the fall with her at the Center for Hellenic Studies, where she was working. They own a compound of dinky little houses right across the street from Hilary Clinton’s much grander home. The brilliant fall leaves inspired thoughts of chemistry: electrons and photons in resonance!

I felt very free, with nothing particular to do, so I did something just for fun: I explored a curious relation between the Kepler problem, the periodic table, and quantum field theory.

When I drove back to Riverside at the end of 2021 I got distracted by other things. But this year I’ve been in the mood for wrapping up half-done projects. I finished this project today after a week of hard work. It should appear on the arXiv soon.

I want to explain it! But I need some things to be fresh in your mind, so I’m going to republish some blog articles I wrote in 2021 to explain this work.

Let’s start with the ‘eccentricity vector’. This is a conserved quantity for the Kepler problem. It always points in the direction of the orbit’s perihelion, and its magnitude equals the eccentricity of the orbit. It never changes.

This conserved quantity is special to the inverse square force law - and it since conserved quantities come from symmetries, it reveals a secret symmetry of the Kepler problem. Amazingly, this problem is symmetrical under rotations in *4-dimensional* space!

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Zconomy: The Bestselling and Definitive Book on Generation Z

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Jason Dorsey

Todays collection of random propagation trajectories of ultra high energy cosmic rays, randomly injected with energies from 1e17 to 1e21 eV and evolving for 10 Giga years, with in-house developed code for the propagation of charged particles undergoing losses ("UMAREL") and with a realistic model of cosmic magnetism from ENZO simulations.

#astronomy #physics #science
#SimulatedUniverses

📡 3 quantum highlights:
• Quantum battery reaches theoretical speed limit
• ProvideQ toolbox launches for optimization
• Antiferromagnetic quasicrystals discovered

#QuantumComputing #QuantumPhysics

https://blaze.email/Quantum-Computing

Quantum Computing

Blaze's Quantum Computing newsletter featuring latest research, algorithms, hardware developments, and quantum community updates.

blaze.email

#Mathematical #Aesthetics : Medium

‘Remarkable’ new #Enzymes built by #Algorithm with #Physics know-how : Nature

Why the World Needs More People, According to These Experts : Time

Check our latest #KnowledgeLinks

https://knowledgezone.co.in/resources/bookmarks

https://www.europesays.com/uk/266141/ Extreme Conditions of Early Universe Recreated in Collider Experiment : ScienceAlert #Physics #Science #UK #UnitedKingdom
https://www.europesays.com/uk/265968/ The Milky Way Could be Surrounded by 100 Satellite Galaxies #Physics #Science #UK #UnitedKingdom
New computing approach combines quantum and supercomputers to predict molecule stability. Via @physorg.news #ComputerSciences #Science #Physics #QuantumPhysics #QuantumMechanics #ParticlePhysics 🔭🔬🧪🥼🧑‍🔬

New computing approach combine...
New computing approach combines quantum and supercomputers to predict molecule stability

Kenneth Merz, Ph.D., of Cleveland Clinic's Center for Computational Life Sciences and a team are exploring how quantum computers can work with supercomputers to better simulate molecule behavior.

Phys.org
https://www.europesays.com/uk/265797/ Earth may lie in a gigantic void that skews our view of the expanding universe #Physics #Science #UK #UnitedKingdom
Engines Of Discovery: A Century Of Particle Accelerators (Revised And Expanded Edition) by Edmund Wilson (PDF)
Author: Edmund Wilson
File Type: PDF
Download at https://sci-books.com/engines-of-discovery-a-century-of-particle-accelerators-revised-and-expanded-edition-b00niauxl0/
#Physics, #EdmundWilson
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In 1935, Based on work by John Sealy Townsend, Hans Geiger, and Walther Müller invented the Geiger counter. #Poetry #Science #History #Physics #Radiation #Sealy #Geiger #Müller (https://sharpgiving.com/Sharp/thebookofscience/items/p1935c.html)