There are no sounds in a vacuum which is why spaceships explode soundlessly. Standing near lava is actually dangerous. And you won’t be able to walk slowly as an explosion takes place in the background — you’d be knocked down by a shock wave. Today, many people know that these are not only movie clichés but they’re also false. However, other movies, not only those based on fictional stories, lie about many other things that are occasionally obvious (or not).