Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft
Seattle WA (SPX) Feb 19, 2020
It takes a lot of fuel to launch something into space. Sending NASA's Space Shuttle into orbit required more than 3.5 million pounds of fuel, which is about 15 times heavier than a blue whale.
But a new type of engine - called a rotating detonation engine - promises to make rockets not only more fuel-efficient but also more lightweight and less complicated to construct. There's just one pr
