Now let's not let realism get in the way of a good movie! Every story gets a few points where you suspend belief, then the rest has to make sense in that conte

Now let's not let realism get in the way of a good movie! Every story gets a few points where you suspend belief, then the rest has to make sense in that context. For this one, let's say that it's an exotic material that has only been found on Pandora. Unrealistic, but so is the fact that the aliens are humanoid shaped.