In every generation, movies have a few styling notes that stick out. Back in the 1980’s it was that blue lightning special effect found in Back to the Future, Terminator, Star Wars, and so many more. For some reason, lens flares have become one of the most popular special effects tricks by directors of action and science fiction movies these days. Just watch any J. J. Abrams film.
Vox explains the history and how they started in this trending clip.