An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...
Engines Podcast The Engines of Our Ingenuity 2638: Artificial Gravity Episode: 2638 Artificial Gravity for Human Spaceflight; What is Gained, What is Lost. Today, astronaut Michael Barratt discusses ...
Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton] took a ...