Read more: 4 Cheap Tools That'll Make Cleaning The Inside Of Your Car's Windshield Easy To understand why there's a hole in airplane windows, let's first understand the basic science behind them.

We asked the FAA why it's there, and they assured us it's totally safe. Here's why there are tiny holes in airplane windows. Follow Tech Insider: On Facebook More from Tech If you've ever sat in ...

Airplane windows might seem like a simple glass barrier ... to maintain comfortable pressure for the people on board. The inside pressure equalizes to what it is outside, and the people on ...