🚀 petrifyML v2.1.0 released!
New features include:
• Support for gradient-boosted TMVA BDTs
• TMVA MLP regressors
• Improved automatic feature-range estimation for BDTs
• Automatic compiler detection
Available now via pip or GitLab.
🚀 petrifyML v2.1.0 released!
New features include:
• Support for gradient-boosted TMVA BDTs
• TMVA MLP regressors
• Improved automatic feature-range estimation for BDTs
• Automatic compiler detection
Available now via pip or GitLab.
What flings mysteriously powerful particles called 'cosmic rays' at Earth?
'Like putting a microscope into the core of the sun': World's 1st space-based neutrino detector launches to orbit
The fine-structure constant alpha ~ 1/137.036 is one of the most precisely measured numbers in physics, yet its origin remains unexplained. A new preprint reframes alpha not as an abstract coupling constant, but as a projective cross-ratio: the classical electron radius divided by the reduced Compton wavelength.
Full preprint: https://doi.org/10.5281/zenodo.20100109
#Physics #QuantumMechanics #Mathematics #ProjectiveGeometry #Science #Research #Academic #ParticlePhysics
The fine-structure constant $\alpha \approx 1/137.036$ is one of the most precisely measured numbers in physics, yet its origin remains unexplained. The standard presentation—$\alpha = e^2/(4\pi\varepsilon_0\hbar c)$ with dimensionful constants—frames it as an abstract coupling strength, obscuring its geometric character. This document proposes a reframing: $\alpha$ is naturally understood as the cross-ratio of two measurable length scales characterizing the electron—the classical electron radius $r_e$ and the reduced Compton wavelength $\bar{\lambda}_C$. The reframing makes three contributions: (a) it reveals $\alpha$’s projective invariance structure, explaining why $\alpha$ is independent of unit choices and coordinate rescalings in geometric rather than algebraic terms; (b) it connects to the integer-ratio structure of precision experiments, where $\alpha$ is determined from rational observables (quantum Hall filling factors $\nu = p/q$, Penning trap frequency ratios $N_s/N_c)$; and (c) it integrates five complementary mathematical formalisms—adelic, projective, topological, syntactic, and hierarchical—that illuminate different aspects of $\alpha$’s cross-ratio nature. The document includes Python-verified quantitative results, historical context (Eddington, Wyler), experimental grounding, and an honest acknowledgment of limitations—most notably that $\alpha = r_e/\bar{\lambda}_C$ is an algebraic identity, not a first-principles derivation, and the contribution lies in conceptual reframing rather than numerical prediction.

Physicists may have just cracked open a hidden side of the quantum world. For decades, every known particle was thought to belong to one of two categories — bosons or fermions — but researchers have now shown that bizarre “in-between” particles called anyons could also exist in a one-dimensional system. Even more exciting, these strange particles may be adjustable, allowing scientists to tune their behavior in ways never before possible.
Molecules shed light on #DarkMatter: Analysis of precision measurements of unexplored interactions between electrons and atomic nuclei give information of new particles 👉 https://prisma.uni-mainz.de/en/2026/05/11/molecules-shed-light-on-dark-matter/
#ParticlePhysics #physics #antimatter #universe #cosmology #ClusterOfExcellencePRISMA
⚛️ #QuantumPhysics – Why we just can't seem to understand it!🤔
In the #Zoomposium with #GerdGanteför, we’ll be discussing precisely this fascinating boundary between #Mathematics, #Physics, and #Metaphysics.
📎 https://philosophies.de/index.php/2023/04/16/zoomposium-gerd-gantefoer/
📺 https://youtu.be/V4pUEEtFCUo
#Reality #BoundariesOfPhysics #QuantumMechanics #Science #NaturalScience #Philosophy #ScienceAndPhilosophy #QuantumInformation #ParticlePhysics #BoundariesOfKnowledge #PhysicsAndPhilosophy #MetaphysicsOfPhysics