Fact-checking the science of 'The Martian'
A lot of the science you'll see in the film is accurate: Matt Damon's character creates water using a dangerous (but real) chemical reaction involving rocket fuel. He grows potatoes using a realistically potent mash-up of Martian soil, water, and Yet that's exactly what Matt Damon's character, a NASA astronaut stranded on the Red Planet, … Read more