A research paper by physicist Juan Maldacena theorizes that our universe is a hologram - a three-dimensional image coded onto a two-dimensional surface - with the higher dimensional part coded onto a flatter, lower dimensional part. The holographic illusion merely looks three-dimensional, and you can't touch it with your fingers, meaning there is no end or beginning. Continue reading for two videos and more information.
It this theory were to be proven true, it means that the universe as we know it may be the result of processes happening on some other surface or plane. Researcher Maldacena looked at the computations, and confirmed that they appear to be correct, and that they do prove that a universe could be the result of processes happening in a lower dimension, and thus our universe could indeed be formed in this manner.