Armed with his new understanding, the square conceives the possibility of a fourth dimension. He even goes so far as to suggest that there may be no limit to the number of spatial dimensions.

An example of a four-dimensional object is the tesseract, also known as hypercube. Just as a cube consists of six square facets, a tesseract comprises eight cubic cells. Although we cannot fully ...

Two-dimensional experiments in 2018 showed evidence of four-dimensional existence. Electrons moved in two dimensions when influenced by a magnetic field, hinting at how a similar effect would ...