Poll Suggestion: Remarkable Aspects of Outdated Science Fiction Movies

Intro: Some SciFi movies were very fascinating in the times they were made. On the other hand they have such strong plotholes, logical errors or inexplicable dumb physic aspects, todays more enlightened audience can only shake the head about the flaws. Despite todays sight on these science fiction ideas, which of these movies is the most remarkable? Please tell us here. Suggestions: Please suggest a movie title and don't forget to tell the aspect of it, which means: Where was the movie wrong and what would be in real. Quasi a fact check. List: https://www.imdb.com/de/list/ls599738309/ Poll: TBD