A lot of personal flying machines are in the works right now, but this one from Washington-based startup Zeva Aero surely features one of the most extraordinary designs yet. The Zeva Zero aircraft ...

From the first fragile biplane to stealth bombers that defy radar, humanity's quest to conquer the skies has produced some ...

Maybe it’s time to say goodbye to the jet pack. For a long while now, when someone mentioned “personal flying machines,” the image that came to mind was of people wearing devices powered by small, but ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...