The Case For Mars: The Plan to Settle the Red Planet and Why We Must
Fifteen years ago, aerospace engineer Robert Zubrin published The Case for Mars, and issued a clarion call to his fellow scientists, and the people of Earth. We need to plan our Mars colony, and we need to do it now. Zubrin has released an updated and revised version of his classic book, outlining the most…
NASA Autonomous Lander Hovers in Midair, in Infrared Video
Hovering landers or drones look as though they’re suspended in the air, because you can’t see the vortices caused by the propellers or the heat emitted by the thruster, or whatever mechanism enables the hovering. Well, here you can. And it proves that the act of hovering is anything but delicate. In a test earlier…