At first glance, the Boeing 777X may look like a stretched and modernized version of the original 777. After all, it shares the same basic fuselage shape that has made the 777 one ...

This is the original flying wing, the Horten 229. As BBC Future noted in 2016, the ‘flying wing’ design is not a common sight in the skies because it’s an incredibly hard concept to make work.

Today, aircraft wings are increasingly designed to prioritize stealth characteristics over raw speed—giving them a smooth, unbroken connection to the aircraft’s main fuselage. The wing of a fighter ...