PhysicsDodge ban on quantum clones to trap Schrödinger's cat A way to create quantum clones – usually forbidden by theory – could help map the border of the classical, everyday world and the quantum realm 51¶¯Âþ
SpaceSterile neutrinos leave ghostly fingerprints on cosmos Hypothetical particles that have been playing hide-and-seek with physicists for decades may finally be stepping into view 51¶¯Âþ