(Image credit: Getty Images: CHANDAN KHANNA / Contributor) Robots: they're basically just computers that walk around, so we're going to start covering them more regularly here at PC Gamer. And there's a lot to cover: hardly a day goes where we don't see a clip of a robot doing something weird, funny, alarming, impressive, or—and this is pretty darn rare, but it does happen once in a blue moon—useful. Article continues below 5. Mecha Supreme Sony AI's robot Ace scores against pro ping-pong players - YouTube Watch On Sony built a robot named Ace to play ping pong, finally solving the biggest problem of our times: the endless hours of human-based ping pong we're all constantly subjected to. Ace isn't quite up to pro levels, but it did defeat three out of five "elite" players it faced. It both looks and sounds impressive, but I made the mistake of reading the fine print.…