Sabine | Time Ran Slower in the Past, Physicists Find
Physicists from the University of Queensland in Australia have found evidence that time ran slower in the past. In this video I explain how time-dilation is related to redshift, what that means for light from distant galaxies, and what happens to an observer who falls into a black hole.
2024-07-07 18:00:00 - Sabine Hossenfelder