If you’ve ever traveled by plane, you’re likely aware that every airplane window you’ve ever seen has a round design, whether it be a circle or an oval. As it turns out, there’s an actually ...

The top of a red front door features a half-circle window with multiple dividing lines of trim. - Mikroman6/Getty Images If you're feeling insecure at home, there are ways to improve the physical ...

Today, all passenger windows on aircraft are round or a form of rounded rectangle. No windows have sharper edges. It wasn't always this way with the first jet-powered airliners featuring square ...