The issue focused heavily on robots - machines capable of interacting with humans - during Tuesday's CES tech show in Las Vegas.Researchers unveiled prototypes for humanoid robots designed by Cardiff University researchers - dubbed Turing Machines - designed to mimic humans in tasks ranging from poker face recognition to robotics for astronauts.Intel unveiled its seventh generation Core processors - processors featuring graphics chips capable of ultra high resolutions - aimed at tackling graphics intensive tasks such as gaming and simulations of robots and astronauts.Virtual reality headsetsMicrosoft unveiled HoloLens - an augmented reality headset featuring