
1) Spacecraft propulsion
Found on
https://www.crosswordclues.com/clue/magbeam

MagBeam is the name given to an ion propulsion system for space travel initially proposed by Professor Robert Winglee of the Earth and Space Sciences Department at the University of Washington for the October 2004 meeting of the NIAC. MagBeam is different from a traditional electrostatic ion thruster in several ways, the primary one being that ins...
Found on
http://en.wikipedia.org/wiki/MagBeam
No exact match found.