In popular media, these ideas have been explored in the past, with numerous examples such as DC Comics' iconic character "The Flash"[30] (who has been featured in any number of comic books, animations, feature-films and video-games, etc.) being portrayed as a superhumanly-fast figure wearing a red costume, or the famous DeLorean time-machine from Universal Pictures' "Back to the Future"[31] franchise, directed by Robert Zemeckis leaving streaks of flame in its wake when reaching great speed.