Science fiction (SciFi) is a genre of speculative fiction that usually deals with futuristic concepts and advanced science and technology. Topics can range from time travel to parallel universes. As with other genres, SciFi is typically highly imaginative and speculative. The genre is popular with fans of all ages.
The genre has many subgenres and focuses on different themes. One popular subgenre is “punk.” This genre features heroes that try to break the rules of society and fight the establishment. For example, anime featuring -punk heroes usually deal with issues of industrialization and environmentalism. Another subgenre is cyberpunk.
Other genres of SciFi include military science fiction and alternate history. These subgenres are generally populated with futuristic settings and have unique iconographies. Most often, these genres incorporate special effects technology. The genre also features characters that travel into the past or future. Some works combine elements of both subgenres and involve a conflict between human and alien life.
SciFi is often based on futuristic technology. This can include robots, holograms, and supercomputers. It can also include time travel, space travel, and subterranean worlds. Many of these stories also contain aliens, mutants, androids, and humanoid robots.