Science Fiction, or Speculative Fiction if you prefer. Fantasy too. Asimov, Bradbury, Clarke, Dick, Heinlein and other SF books. SF movies and TV shows. Fantasy stuff like Tolkien and Game of Thrones. Laser guns, space ships, and time travel. etc. Star Trek, Battlestar, Star Wars, etc.
Elon Reeve Musk (born June 28, 1971) is a business magnate and investor. He is currently the CEO and CTO of SpaceX, CEO and chief product architect of Tesla Motors, chairman of SolarCity, and co-founder and former co-chairman of OpenAI. He is the founder of SpaceX and The Boring Company, and a co-founder of PayPal, Tesla Motors, and Zip2. He has also envisioned a conceptual high-speed transportation system known as the Hyperloop.
This reddit is for fans and creators of Science Fiction and related media in any form. SF topics should involve plausible ideas reached through the rational application of science. General speculative fiction posts are fine as long as they involve Science Fiction.