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<url><loc>https://elliotmcguckenphysics.com/2026/04/28/the-mcgucken-symmetry-%f0%9d%90%9d%f0%9d%90%b1%f0%9d%9f%92-%f0%9d%90%9d%f0%9d%90%ad%f0%9d%90%a2%f0%9d%90%9c-the-father-symmetry-of-physics-completing-kleins-187/</loc><news:news><news:publication><news:name>The McGucken Principle: The fourth dimension x4 is expanding at the velocity of light c: dx4/dt=ic : Ergo physics. QED</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-28T19:26:46+00:00</news:publication_date><news:title>The McGucken Symmetry 𝐝𝐱𝟒/𝐝𝐭=𝐢𝐜 — The Father Symmetry of Physics — Completing Klein’s 1872 Erlangen Programme while Deriving Lorentz, Poincaré, Noether, Wigner, Gauge, Quantum-Unitary, CPT, Diffeomorphism, Supersymmetry, and the Standard String-Theoretic Dualities and Symmetries as Theorems of the McGucken Principle</news:title></news:news></url><url><loc>https://elliotmcguckenphysics.com/2026/04/27/the-mcgucken-sphere-as-spacetimes-foundational-atom-deriving-arkani-hameds-amplituhedron-and-penroses-twistors-as-theorems-of-the-mcgucken-principle-dx4-dtic/</loc><news:news><news:publication><news:name>The McGucken Principle: The fourth dimension x4 is expanding at the velocity of light c: dx4/dt=ic : Ergo physics. QED</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-27T20:59:41+00:00</news:publication_date><news:title>The McGucken Sphere as Spacetime’s Foundational Atom: Deriving Arkani-Hamed’s Amplituhedron and Penrose’s Twistors as Theorems of the McGucken Principle dx4/dt=ic</news:title></news:news></url><url><loc>https://elliotmcguckenphysics.com/2026/04/27/the-mcgucken-sphere-as-spacetimes-foundational-atom-a-complete-constructive-derivation-of-twistor-space-the-positive-grassmannian-and-the-amplituhedron-from-dx4-dtic/</loc><news:news><news:publication><news:name>The McGucken Principle: The fourth dimension x4 is expanding at the velocity of light c: dx4/dt=ic : Ergo physics. QED</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-27T17:46:11+00:00</news:publication_date><news:title>The McGucken Sphere as Spacetime&#8217;s Foundational Atom: A Complete Constructive Derivation of Twistor Space, the Positive Grassmannian, and the Amplituhedron from dx4/dt=ic</news:title></news:news></url></urlset>