Liquid-fuelled rocket engine design has largely followed a simple ... familiar with since we started sitting around campfires. A diagram of the JAXA rotating detonation engine, showing the ...

It was the first time Bezos' company, Blue Origin, had operated the entire stacked rocket as an integrated system. Flashes from the engines pierced through billows of steam, like cracks of ...

But this crazy invention never quite made it off the drawing board and became forgotten in a world obsessed with machines with wings. This is the never-built ICARUS rocket! One of the very first ...