30 Sep '15, 5pm

The Martian: Andy Weir Explains What He Got Right and Wrong

The Martian: Andy Weir Explains What He Got Right and Wrong

It was based on real space suits. I would always start with the science and work forward to the plot. That’s how, for example, I realized Watney wouldn’t have enough water to grow potatoes [for food], by sitting down and going, “Wait a minute, how much water does it take to grow those? Oh, he doesn’t have near enough.” So that gave me the whole plotline of “How do you create water?” I was actually too pessimistic on space-suit technology. A few months ago I went to Johnson Space Center—it was the best week of my life. They showed a new [space-suit life-support system] that no longer needs filters for carbon dioxide; it can just filter carbon dioxide forever. That’s one of several ways in which technology has been invented, or discoveries have been made, since the publication of The Martian that invalidate things in it. Another is that the Curiosity rover found a ridiculous...

Full article: http://spectrum.ieee.org/at-work/tech-careers/the-martian...

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No, 'The Martian' is not based on true events

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