Recent content by BoltzmanBrain

He should be in his first/second year of high school. I first learned vectors in a Grade 10 general science course, but high school starts in Grade 10 where I live, so elsewhere they might start earlier.

Assuming that theories regarding the existence of multiple universes are true, what would separate said universes? If multiple universes exist, it can be assumed that there is some form of separation between said universes. This could be in the form of a barrier, or a kind of "space" between the...