At this website, NASA provides users with many pages discussing the science of the Wright Brothers' aircraft as well as information that has been discovered since 1905. Physics students can find lots of materials on fundamental concepts such as Newton's laws, equilibrium, thermodynamics, basic aerodynamics, and power. The website features interactive sections to educate people about lift, drag,...

This Web site introduces the X-Hawk, "a vehicle that has the [vertical takeoff and landing] capability of a helicopter, but without the exposed rotors that make it dangerous or impossible for helicopters to maneuver in complex urban and natural environments." It has received considerable attention from the media, as is apparent from the press clippings provided online. The Film and Downloads...