"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A group of computer scientists discovered the first true "einstein" shape. The shape comes with 13 sides ...

The recently discovered “hat” aperiodic monotile admits tilings of the plane, but none that are periodic [SMKGS23]. This polygon settles the question of whether a single shape—a closed topological ...

It looks a little like a fedora, and it's what's known as an "Einstein tile." Meaning, unlike other shapes, if it's laid out and slotted together over and over again, it doesn't easily repeat itself.

What just happened? A group of mathematicians created a "new" polygon previously known to exist only in theory. It's a 13-sided shape that they dubbed "the hat," even though it only vaguely resembles ...