- #1
MathematicalPhysicist
Gold Member
- 4,699
- 372
What methods are there to figure out if our universe has a boundary or not?
And if it does are we living on the boundary (like in the case of our Earth that we live on a sphere and not inside the earth)?
And if it does are we living on the boundary (like in the case of our Earth that we live on a sphere and not inside the earth)?