By providing power to a propeller it can impart motion to the air and can therefore couple human power output to provide propulsion for an airplane. For boats, a propeller used for propulsion can ...

The US Air Force conducted a historic test flight on Thursday of its AI-powered X-62A VISTA autonomous ... has begun to ...

When imagining the future of carbon-free air travel it seems strange that so many of us overlook the obvious; super speedy solar-powered flying turtles. No, not like that famous flying turtle from ...