- An erotic film is usually a film that has an erotic quality, meaning that it may arouse sexual feelings, even if the stated or suggested intention of the film maker is to induce philosophical contemplation concerning the aesthetics of sexual desire, sensuality and romantic love.
- Arecibo message (Wikipedia)
The Arecibo message is an interstellar radio message carrying basic information about humanity and Earth that was sent to the globular cluster Messier 13 (M13) in 1974. It was meant as a demonstration of human technological achievement rather than a real attempt to enter into a conversation with extraterrestrials.