system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What makes scientists think that there is more than three dimensions?

And how is time considered the fourth dimension?
gpt
It's based on math.

You need two dimensions to determine the location on a piece of paper, or plane. You need three dimensions to determine the position in space. the fourth dimension you can determine the position in space at any given time. 


What will blow your mind is getting you head around the fact that some scientist believe their are even MORE dimensions.