expanding universe vs. human size

Factual Questions
21

Like magnets.

22
  1. Fucking gravity, how does it work?
  2. Fucking magnets, how do they work?
  3. Fucking nuclei, how do they stay together?
  4. Fucking nuclei, why do they sometimes not stay together?
23

“What’s the deal with that?” or “how does it work?” are both such incredibly broad questions that one can fill up many books with the answers. Do you have something more specific you’d like to ask?