Many of you may have heard of an object called the Tesseract.
Being able to perceive a tesseract is clearly impossible, as we cannot see beyond the number of dimensions we live in. We as humans clearly are and live in a three-dimensional world and there are three coordinate axes x, y and z, so we perceive directions left/right, forwards/backwards and up/down.

Imagining four spacial dimensions is very difficult so we can try something simpler with three-dimensional objects. Let’s imagine we were a two-dimensional species living in a two-dimensional world called Flat land, named by Edwin Abbott. We walk about in the two-dimensional space unaware of the other dimension which is the z-axis and that’s completely okay, just like how humans can live perfectly without knowing about the fourth dimension. Continue reading