I’m sure you’ve probably noticed that little hole in the bottom of an airline window before…. Right?! If so then you’ve probably asked yourself, “the hell is that there for?” Well there’s actually a few reasons, but the main reason is to supply full pressure to the outer pane. The video below explains it quite nicely… See, you do learn something new everyday!
Did you know this? Or better yet did you even notice the hole?? LOL! Make sure to drop us a comment below and don’t forget to give this a share on Facebook before you go. (h/t Reddit)