Video: Asteroid mining? NASA, billionaires racing to explore possibility
Thursday, August 15, 2013 - 08:30
in Astronomy & Space
NASA has announced a mission to explore the prospect of bringing asteroids close to Earth and mining them for precious resources, and a number of billionaires are getting in on the action. "CBS This Morning" contributor Michio Kaku, a physics professor at the City University of New York, talks about the potential for profit and safety concerns.