It's the how many sides of a coin question. There is only a right answer in the context, dimension and design of said coin. Two? 3? 5? 1?
1
2
Still just a three dimensional object. 1D would be invisible. Humans do not create 5D objects. How many can visualize 5D?
2
1
Replying to @billsdesk
Fair enough. I tend to lean toward theoretical physics.

Feb 19, 2017 · 2:19 PM UTC

1
Replying to @mholzschlag
IMHO, we are trapped in three dimensional thinking. Molding the universe to human limits precludes greater understanding.