LONDON, United Kingdom (Reuters) — While scientists and campaigners worry about the westernization of robots, the defense industry is showing off the latest autonomous weapons systems at a major arms fair in London. Among the offerings is an unmanned ground vehicle from German defense manufacturers Rheinmetall, that can operate autonomously and be fitted with its own weapons system. And while unmanned aerial vehicles, or UAVs, are now commonplace in military arsenals, the unmanned ground vehicle, […]