Regardless of whether it’s a long or short trip, we all try to find ways to distract ourselves during a flight. Cruising above the clouds, we often catch ourselves pondering the meaning of it all, why we’re here, and other philosophical musings. Sometimes, though, we think about more mundane things, like the reason why there appears to be a hole in the airplane window. But it turns out that you might have trouble doing all that thinking in comfort without those little holes.

We will explain everything.