Have you read the novel Flatland? If you haven’t, maybe you should, since this book sets out the idea of the multidimensionality of the space and presents it in an unusual way. More particularly, the protagonist of the book called “A Square” is a creature from a two-dimensional world, where everything is a plane, just like a sheet of paper. One day he is visited by another character, “A Sphere”, from a three-dimensional world (just like our own). A Square can’t imagine what the 3-D world looks like until A Sphere takes him from Flatland to Spaceland. From there A Square can see his world and family just like we see cartoons on the TV. The only problem is that two-dimensional creatures look disgusting because from Spaceland you can see their insides, since their skin has the shape of a square and does not cover their sides. Then A Square wonders if a four-dimensional world is possible and what it would look like. In theory, it is, because there is no reason that could deny the possibility of the existence of space with as many dimensions as you can imagine. But no one can […]