What happens when two engineers accidentally invent time travel in a garage? Primer (2004), directed by Shane Carruth, is a minimalist, brain-twisting sci-fi thriller that explores the ethical and psychological unraveling of its protagonists. With a shoestring budget and a script that refuses to dumb things down, this cult classic challenges viewers to piece together its intricate timeline and moral ambiguity. A must-watch for fans of hard science fiction and nonlinear storytelling.
