Darren Maxwell began obsessively collecting Batman memorabilia in the late 1980s to be a part of geek culture. Decades later, he wants to let go of his obsession, but is unable to.
discovered this pattern on a 14th century madrassa.在一所14世纪的伊斯兰学校中 现了这个图案。 And after some analysis, concluded that this was, in fact, Penrose tiling 500 years before ...