Robots are helping to minimize human contact among people who are attending the Winter Olympics in Beijing. Robots are mixing drinks , preparing food, brewing coffee, creating souvenirs, mopping floors, and more, according to China's state news agency . Areas hosting various functions connected to the Beijing Olympic Games are operating as so-called closed loops to reduce the interaction between visitors and locals. A robot at the press center is getting a lot of attention and media coverage, of course, for being able to mix four kinds of cocktails. The robot, which looks like a big arm, pours liquids from...