Although there are many architectural terms and definitions to describe round openings, oculus offers the richest and most interesting history. Oculus is Latin for eye or optic. Dating back to ancient ...

Aeroplane windows are round because they are stronger and safer. When a plane flies high in the sky, there is a lot of pressure inside the plane. Round windows help spread this pressure evenly, so the ...

When you glance out your airplane window at 30,000 feet, that curved little portal seems like a simple design choice. But the reason it is round has nothing to do with style. It is the result of one ...