created in 2010
Groop, I implore thee, my foonting turlingdromes
And hooptiously drangle me
With crinkly bindlewurdles,
Or else I shall rend thee in the gobberwarts with my
See if I don't.
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.
If you are anything BUT 5 years old, and you're confused by something, this is the place for you.
Now that /r/eli5 clarified that they want simple explanations, (fake) 5 YEAR OLDS ARE NOW WELCOME TO THE SUBREDDIT. But not in a creepy way.