If you are interested in science and like Sci-Fi movies, have you ever noticed discrepancies in the way a movie is shown in a theater and reality? I know - it happens all the time, but do you mind gross inadequacies as far as the story framework/picturization is concerned?
Popular Science has an interesting compendium of movie mistakes where a science fact is depicted incorrectly. Visit this link to see the list for yourself. Interesting stuff, with calculations and all.
Moviemakers, remember this: