@PhysInHistory The event horizon around black holes.
All the physics around space time
That light travels at the same speed in all reference frames
Special and general relativity
Gravity waves
I wish I had more time to study this phoenomena
@elonmusk How do you solve that problem?
Artificial wombs and state nurseries? More paternal and maternal benefits? Less taxes? Or what?
It's not enugh by seing the problem. There has to be a plan to solve it.