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A science fiction novel by Andy Weir framed as the journal of Mark Watney as he attempts to survive alone on Mars after being abandoned there in an emergency. In 2015 it was adapted into a film starring Matt Damon.
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Why does Mark use Hexadecimal to communicate?
Most reference charts for ASCII organize the characters in a table of 16 columns and 16 rows (well, strictly speaking only 8 rows; or maybe like this historic example in 16 rows and 8 columns) that ma …