In a nutshell A physicist proposes that time has three dimensions instead of one, which could finally unite quantum mechanics ...

A trippy fringe theory suggests that time is the source of all physical matter, and space is merely a byproduct. According to ...

Spatial Activity: Making 3-D Inferences: Visualizing three-dimensional objects presented on the flat surface of a piece of paper or computer screen is challenging for many of us.

In an online lecture, a professor mentioned that Einstein could draw or imagine a 4-dimensional figure. How can one possibly do that? This question was originally answered on Quora by Alon Amit.