(In mathematics, moving into ever higher dimensions is a walk in the park. See Multidimensional Math.) How about 10-D? In 1919, Polish mathematician Theodor Kaluza proposed that the existence of a ...

It’s also a dimensional leap for this entire area of math that’s been somewhat stuck in 2D. “People understood what’s going on [in Kakeya-adjacent problems] really well in two dimensions, but we ...