Why Airplane Windows Have Tiny Holes (It Could Save Your Life)
What Happened: The Engineering Behind the Hole
Every commercial aircraft window you’ve ever peered through actually consists of three separate layers working in harmony. The outermost pane bears the structural load and pressure difference between the cabin and the thin air outside. The middle layer serves as a backup in case the outer pane fails. And the inner layer? That’s just there to protect the real windows from your scratches and fingerprints.