sabine-hossenfelder 4 months ago
PhD in physics #Space and Time

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.

Sabine Hossenfelder
PhD in physics