What's the difference between science fiction films and soft science fiction and hard science fiction?

The difference between soft science fiction and hard science fiction is that soft science fiction focuses more on fantasy, while hard science fiction focuses more on theoretical basis. The best way to distinguish soft science fiction from hard science fiction is whether there is a scientific theoretical basis. If the plot can be reasonably explained from a scientific point of view, it is hard science fiction, and vice versa.

For example, the most classic soft science fiction "Iron Man", Iron Man flies very fast in the air, but can stop instantly when necessary. The acceleration generated at this moment is incalculable, but Iron Man has not been crushed by such acceleration. It is hard to imagine such a science-based technology, and the film did not explain and introduce the technical details in detail.

The characteristics of science fiction movies:

1, with diverse backgrounds but rigorous internal logic. For science fiction films, the story can happen at any time, and there can be great changes in the middle, but the time limit occupied by the real content to be described is still very limited.

2. The characterization is relatively simple. Hollywood sci-fi films mostly want the audience to pay attention to special effects and plots, so its characterization is relatively simple compared with other types of films.

3. "Incentives" often have sci-fi factors, such as the dislocation of time, the invasion of aliens and the establishment of dinosaur parks. It breaks the original balance and forces the protagonist to react.

4. Traditional and eternal values such as the supremacy of life, the pursuit of justice and cherishing life are still respected.