An Animation Explaining How Time and Space Behave for Different Things in the Universe

The Explanimator video “Why space and time have a cryptic connection” by New Scientist explains how time and space behave for different things in the universe like humans, photons, and quantum particles. It also raises the question of where time and space come from.

Space and time seem like the simplest, most fundamental, concepts there are. And yet…we really don’t know why they behave the way they do.