Can You Travel Back in Time? Closed Timelike Curves Explained скачать в хорошем качестве

Can You Travel Back in Time? Closed Timelike Curves Explained

In this video, we dive deep into the fascinating world of Closed Timelike Curves (CTCs) – a concept from Einstein’s general relativity that theoretically allows for backwards time travel. We break down light cones in simple 2D spacetime to understand how time and causality work. From there, we explore hypothetical cylindrical spacetimes where CTCs can exist, and finally examine the extreme case of a spinning (Kerr) black hole and how its light cones can tip over to form CTCs. ⚠️ Important: These time loops are purely theoretical, and most physicists believe that CTCs probably cannot exist in reality. This video is all about understanding the math and physics behind the idea. What you’ll learn: What light cones are and why they matter for causality How spacetime geometry can, in theory, allow time loops The role of rotating black holes in creating CTCs Why backward time travel remains unlikely ----------------------------------------------------------------------------------------------- Wormhole intro: https://pixabay.com/videos/wormhole-t...