I gave a number of interviews and comments on The Martian and its representation of technology, scientific processes, and space travel. Both the novel by Andy Weir and the film directed by Ridley Scott revel in depicting realistic technological challenges and solutions.
You can read my discussion of realism and the portrayal of science in the film. This piece had 20,000 views on its publication day.
“How Real is The Martian?” by Dave Taylor, published on PopZette, October 8, 2015.
You can also read my comments on optimism in the film: