A good buddy found this website...it explains how the universe can have more dimensions than the four we are familiar with. It's a little mind-bending but pretty cool. SpaceX Took a Big Step ...

In two dimensions, it’s the Reuleaux triangle: an equilateral triangle with curved arcs connecting each corner, creating a shape with a constant width but a smaller area than a circle.

Mathematicians are “reinventing the wheel” by giving it a new shape. Their newly imagined wheel looks like a many-dimensional guitar pick, and it could theoretically roll in ways beyond our ...