Startup AltoVolo has turned heads and generated some skepticism after revealing its design for a 1,608-horsepower, hybrid-electric flying car. If AltoVolo is able to fulfill its lofty promises, the ...

Is it a bird? Is it a plane?

Ch. 1. Evolution of the two-surface flying machine -- ch. 2. Theory development and use -- ch. 3. Mechanical bird action -- ch. 4. Various forms of flying machines -- ch. 5. Constructing a gliding ...

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 ...