Hydrogen-Powered Helicopter Projects Make Progress is published in Advanced Air Mobility Report, an Aviation Week ...
Description: This mini version of a flying pterodactyl is made out of balsa wood and extra light plastic film for wings. It's ...
Delve into this creative DIY woodworking project, where traditional techniques meet sustainable materials. Watch as each piece of bamboo is transformed with precision, showcasing intricate ...
The National Interest on MSN

How Were Modern Helicopters Invented?

The idea of the helicopter dates back to the Renaissance—but the contraptions could not be built until the development of modern aerospace engineering during the interwar period.