Sabine Hossenfelder - What are Breakthroughs in Physics?

What characterizes breakthroughs in physics, historically and prospectively? Relativity and quantum mechanics were breakthroughs of the absolute largest and smallest forces and structures in the universe, radically changing our understanding of how the world works fundamentally. What could be next? Quantum gravity? Dark matter? Dark energy? String theory? Free access to Closer to Truth's library of 5,000 videos: http://bit.ly/376lkKN Support the show with Closer To Truth merchandise: https://bit.ly/3P2ogje Watch more interviews on scientific breakthroughs: https://bit.ly/3YucxhR Sabine Hossenfelder is an author and theoretical physicist who researches quantum gravity. She is creator and producer of the YouTube channel “Science Without the Gobbledygook”. Register for free at CTT.com for subscriber-only exclusives: http://bit.ly/2GXmFsP Closer to Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.