NASA test-fires 3D-printed Rotating Detonation Rocket Engine - Could be revolutionary!

NASA successfully test-fired a full-scale Rotating Detonation Rocket Engine (RDRE). It generates thrust by “using a supersonic combustion phenomenon known as a detonation,” according to the space agency's Marshall Space Flight Center, where the test was conducted. Could be revolutionary - learn more: https://www.space.com/nasa-3d-printed-rocket-engine-mars-test-video Credit: NASA Marshall Space Flight Center | edited by Space.com's Steve Spaleta (https://twitter.com/stevespaleta)