In what we can only assume is further evidence that the end is nigh, Chinese engineers have ‘perfected’ a six-legged robot and will unleash its terror on the world at the Winter Olympics. The robots are coming. No, this is not a farce, nor is it some far-off dystopia. Tesla already has cars that can drive themselves and dance to music . And founder Elon Musk recently proclaimed the brand’s next venture would be a 5½-foot-tall, 125-pound robot named Optimus . And the humanoid robot Ameca wowed onlookers at the Consumer Electronics Show (CES) in January. So it is in...