We are said that the real world in which humans live is present in three dimensions or four dimensions. "Three-dimensional" is a relatively easy-to-understand concept for people who live while ...

That is awesome. I've thought occasionally about how a shadow of a 3D object gets projected into 2D, and what a 4D shadow being projected into 3D might look like, but it's not something I ever figured ...

I’m hesitant to describe a virtual reality experience as a “killer app” ever again, but I’m oh-so-tempted once more. I just emerged from a glimpse into the fourth dimension by way of a VR experience, ...