If you have ever noticed it and wondered why there a hole in this airplane window, then youre not alone. This is just one of the interesting things about airplanes that people might not know — like the fact that they still use floppy disks for airplane software . And there is actually a really good reason for that hole to exist. These tiny holes are usually referred to as breather holes or bleed holes, and they exist to help contain the difference in pressure within the airplane cabin and...
