Part 6/11:

This ticking, occurring every 1.25 seconds, cleverly encodes the passage of an entire day on Earth, anchoring the story in the relentless march of time. Nolan masterfully uses this auditory cue to visualize the stakes: every moment on the alien planet is a cost in years of human life. The tension peaks as the ship faces destruction, culminating in a pause—a stark moment of silence that forces both characters and viewers to confront the gravity of their situation.