Yeah, I don’t believe it either. But at 11:11 tonight I'll be embracing my clock because, well, you never know. The Nobel Prize-winning physicist Niels Bohr purportedly had a horseshoe hanging above the door to his home. Visitors would sometimes ask him how an esteemed scientist could believe in the luck of a horseshoe. "Of course I don't believe in it," Bohr would tell them. "But I hear you don't have to believe in it for it to work."