Originally Posted by GigsbyBoyUK
Just about any spacecraft in sci-fi movies would be impossible to build using today's technology and materials. They are usually stupidly big with lots of unnecessary features, such as long empty corridors, that would add far too much weight for no practical gain.
I guess this is why the 'fi' bit is included in sci-fi.
Of course we can't build them today. If we could, we would. Well, someone would. And those corridors aren't empty, they're full of air.