Q&A: The Martian author talks programming, getting to Mars

The author of the book The Martian, which opens as a movie on Friday, said he doubts NASA will reach its goal of sending astronauts to Mars by the 2030s.
But he definitely wouldn't be brave enough to go himself.
The action-adventure movie stars Matt Damon as a U.S. astronaut who is left stranded on the Red Planet and must figure out how to survive until, and if, NASA returns to rescue him.[ Slideshow: 7 real NASA technologies in sci-fi movie The Martian ]
The movie is based on the book with the