La Teoría que Einstein No Terminó: Pasó los Últimos 30 Años Buscando una Ecuación que Unificara Todo

In April 1955, Einstein was dying in a Princeton hospital. He asked for paper and a pencil. Not to say goodbye. To keep working. The last pages he wrote contained equations for a theory he had pursued for thirty years and was never able to finish. That theory remains unsolved today. In this video from Einstein's Universe, we explore what the unified field theory was and why Einstein considered it the most important question in physics, what he had achieved in the first half of his life that led him to pursue it, why gravity and electromagnetism existed as separate theories with no bridge between them, what Kaluza proposed with a fifth dimension and how Klein tried to solve the problem of where that dimension was, why Einstein's attempts always failed at the same point, how quantum mechanics distanced him from mainstream physics, what string theory and loop quantum gravity are today, Einstein's role in the letter to Roosevelt and the Manhattan Project, and why he pursued unification until his last day even though he knew he wouldn't find it. 00:00 The Last Equations 00:05 Introduction 01:00 What Einstein had achieved and what remained unresolved 02:30 Why two perfect theories that don't communicate are a problem 04:00 The intuition that led him to seek unification 05:20 Kaluza and the fifth dimension. A proposal that took Einstein two years to answer. 07:00 Klein and curled dimensions. The solution that wasn't enough. 08:30 Thirty years of attempts. Asymmetric geometries, torsion, and extensions without success. 10:00 Why a theory without verifiable predictions cannot stand 11:30 Quantum mechanics and the break with mainstream physics 13:00 God doesn't play dice. What Einstein couldn't accept and why. 14:30 The Four Fundamental Forces and the Standard Model That Came After 16:00 The Incompatibility Between General Relativity and Quantum Mechanics Today 17:20 String Theory and Loop Quantum Gravity: The Horizon Einstein Opened 18:50 Einstein, the Atomic Bomb, and the Russell-Einstein Manifesto 20:30 Why He Kept Searching Knowing He Wouldn't Find the Answer 22:00 The Legacy of an Unfinished Question 23:54 End Einstein's final pages contained unfinished equations. The universe still awaits them. And 21st-century physics continues to search for the answer to the same question he posed over a hundred years ago. If you want to continue exploring these stories, subscribe to Einstein's Universe. Each video is another piece of an ever-expanding picture. #UnifiedTheory #Einstein #TheoryOfEverything #GeneralRelativity #QuantumMechanics #StringTheory #QuantumGravity #PhysicsInSpanish #Einstein'sUniverse #KaluzaKlein #TheoreticalPhysics #ScienceCommunication #PhysicsForEveryone #UnificationOfForces #StandardModel #ScienceYouTube #HistoryOfPhysics #ModernPhysics #RussellEinsteinManifesto #ManhattanProject 🎶 In this video you will hear at least one of these musical pieces: Fluidscape by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Ambiment - The Ambient by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Drone in D by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Thanks for watching.