168550752 comment Comment Heading is wrong. (Score 1) 133 by dekeen on Wednesday November 30, 2022 @03:03PM (#63091544) Attached to: Rolls-Royce Successfully Tests Hydrogen-Powered Jet Engine This a turboprop engine, not a jet engine.
38481567 comment Comment Re:What about the non-junk? (Score 1) 147 by dekeen on Saturday October 06, 2012 @02:21PM (#41569975) Attached to: Boeing Proposes Using Gas Clouds To Bring Down Orbital Debris The gas would be moving at about 14 km/s relative to the satellite, since it would be in a reverse orbit.