PhysicsRubik's cubes of any size can now be solved Only the most hardcore puzzle solvers go beyond the standard 3x3x3 cube, but now there's an algorithm for even those monsters 51¶¯Âþ
TechnologySupercomputer hunts child abusers One of the world's fastest supercomputers is helping to catch paedophiles who post pornographic pictures of children online 51¶¯Âþ