I was expecting this to actually describe what spacetime is, but from what I can tell it just talks about interesting things around spacetime. I was expecting m

I was expecting this to actually describe what spacetime is, but from what I can tell it just talks about interesting things around spacetime. I was expecting more along the lines of this video [0] [0]: https://www.youtube.com/watch?v=sryrZwYguRQ https://www.youtube.com/watch?v=sryrZwYguRQ