More about the Newmann-Penrose (NP) formalism 08/5/24
How the existence of a velocity invariant in relativity destroys space and time.9/6/22
Is the interpretation of Einstein’s equation rigorous, and correct? 10/10/22
Special relativity in Newman-Penrose Formalism 06/25/24
Twin paradox solution in Euclidean geometry using Wick rotation
When mathematics reveal hidden physics
Does gravity always wins thanks to a free lunch ? 11/28/21