Exactly how long can an airplane fly without refueling?
If you've ever sat on a plane for ten hours and felt like you were losing your mind, you might have wondered how long can an airplane fly without refueling before it absolutely has to touch down. It's a fair question, especially when you realize that some of the longest flights in the world now stay in the air for nearly an entire day. We've come a long way from the Wright brothers hopping over a sand dune for 12 seconds; nowadays, we have massive metal tubes carrying hundreds of people across the planet in a single go. ...