Imagine low-cost nuclear-powered torpedoes that can travel largely undetected in a swarm across the Pacific Ocean and strike U.S. targets in about a week. To a group of researchers in Beijing, that’s not just a fever dream, it’s a concept they believe they can turn into reality. And an ambition U.S. State Department officials have been warning about. Chinese researchers say they completed a conceptual design for such a weapons system in a paper published this month by the peer-reviewed Journal… – The Drive Photo: Russian Ministry of Defence