electromagnetic thrust propellantless propellant-free engine lens transformation pulse magnetic propulsion interstellar spectrum waves em energy storage etl emission collection radiation cosmic motor application patent emdrive search engine optimization travel letter 1997 nasa vibrations tests sound sand resonant reactions methods light experiments energies elements chemicals cavity cavities air thruster solenoid reconnection loops expanded displaced detached cone compressed broken 2019 sans utilisation de matière propulsive spacecraft drive empty mpt align laser concentration harvest konzentration und richtungsgesteuerte emission von speicherung energieumwandlungslinse (etl) für die multidirekti energy transformation lens emantrieb antrieb schub impuls magnetisch elektromagnetisch ementraînement entrainement moteur poussée impulsion magnétique electromagnetique emaccionamiento accionamiento empuje pulso magnetico electromagnético magnetons virtual photons field mpt engine
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