There's a great story here: https://www.quantamagazine.org/hobbyist-finds-maths-elusive-einstein-tile-20230404/ https://www.quantamagazine.org/hobbyist-finds-ma

There's a great story here: https://www.quantamagazine.org/hobbyist-finds-maths-elusive-einstein-tile-20230404/ https://www.quantamagazine.org/hobbyist-finds-maths-elusive-.... It was found by a hobbyist playing with PolyForm Puzzle Solver