The original Mayflower brought a boatload of immigrants to America. Now a solar-powered trimaran named the Mayflower Autonomous Ship (MAS) — although it's a bit small for the designation "ship" — has crossed the Atlantic, helping to bring shipping into a new age of artificial intelligence (AI). With no crew aboard and navigating via AI alone, MAS finished a 2,700-mile (4,400km) passage from Plymouth, UK to Halifax in Nova Scotia on June 5. The 50-foot long MAS can make 10 knots and was controlled by AI developed by IBM. It uses six cameras and 50 sensors to obtain input from…