Rocket stoves are an interesting, if often overlooked, method for cooking or for generating heat. Designed to use biomass that might otherwise be wasted, such as wood, twigs, or other agricultural ...

Compared to more "conventional" rocket engines, BE-4 and Raptor are ... this power is generated by what's called a pre-burner. Take the BE-4 engine, for example: It has a single pre-burner mounted ...

SpaceX has finished its investigation into what went wrong on the seventh test flight of its Starship rocket, which ended with a dramatic explosion. Flight 7 launched on Jan. 16, sending Starship ...

At the heart of the rocket is a new kind of engine called Archimedes. Using a lot of 3D-printed parts (the housings for the turbo pump and valve, the pre-burner, components of the main chamber ...