ExpressNASA news: Space engineer proposes accelerator propelling craft 'close to light speed'Oct 17, 2019Tom FishBy Tom Fishmore_vert
New ScientistNASA engineer's 'helical engine' may violate the laws of physicsOct 11, 2019Jon CartwrightBy Jon Cartwrightmore_vert
ScienceAlertNASA Engineer Claims 'Helical Engine' Concept Could Reach 99% The Speed of LightOct 15, 2019more_vert