Stephen Hawking joins futuristic bid to explore outer space

Internet investor and science philanthropist Yuri Milner, left, listens as renowned cosmologist Stephen Hawking, right, speaks with the assistance of adaptive speech technology, during a press conference announcing the new Breakthrough Initiative focusing on space exploration and the search for life in the universe, Tuesday April 12, 2016, at One World Observatory in New York. The $100 million project is aimed at establishing the feasibility of sending a swarm of tiny spacecraft, each weighing far less than an ounce, to the Alpha Centauri star system. (AP Photo/Bebeto Matthews)