One hypothesis about the shape of the universe is that the universe is in the space of Euclidean geometry and flat. In Euclidean geometry, it is assumed that straight lines extend everywhere, planes ...

Aerospace start-up JetZero is spearheading the next generation of airplanes with a blended wing body design that makes flying more sustainable. In fact, the completely new aircraft shape is touted to ...

Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

The images they took showed what looked like an almost boomerang shaped plane, equipped with two engines (or at least two exhaust nozzles). Noteworthy, something quite similar was spotted in February ...