A quick example, think about driving down the autobahn.Your intelligent car develops an engine problem. But instead of flashing you a warning light, it sends a message directly to the manufacturer ove
Weekly Address: Securing the World from Nuclear Terrorism (April 02, 2016) 奥巴马每周电视讲话：总统呼吁维护世界和平与安全 远离核恐怖主义 Hi, everybody. This week, I'm speaking to you from our Nuclear Security Summit. I welcomed mo
