This is an interesting topic and the links would be of great interest to a space novice but no great revelations to most of our crowd.

The premise is correct in saying that the story will break down if the rules of science are fractured beyond a certain point but I have never been sure what that point is. The example movie "The Core" was a bomb but it probably was not scientifically unbelievable to the average movie-goer any more than the underwater transit of SW I. Suspension of disbelief is not that difficult for most people. If the fx's are good they will usually buy it. Only when the production values become cheesy is breakdown certain.

Take the sound in space thing, I loved the absence of sound in Firefly and 2001 but research has proven that the public prefers some sound. An example of this is in the latest BSG series. They go to a lot of trouble to protray spaceship maneuvers accurately but still opt for some sound.

Artificial gravity is one of my favorite subjects and it is almost always given lunchtime treatment in scifi films. I imagine the main reason is that free fall is an expensive effect and they have proven over and over that they can get away with simply referring to AG. In real life zero G is one of the neglected areas of study and about all we know is that zero G will kill you.

I have heard some complain about the humanoid qualities of the Star trek aliens and I agree with that to some extent but as the linked article implies there are some logical things about the humanoid form that might suggest some similarities will occur in other carbon based life forms which might evolve.

Anyway, I''l bet that they will still be getting it wrong in movies when the scifi of today becomes action flicks using real technology