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NotShey t1_j5zzj6u wrote on January 26, 2023 at 7:15 PM

Reply to comment by Gari_305 in NASA Validates Revolutionary Propulsion Design for Deep Space Missions by Gari_305

It's still, fundamentally, a chemical rocket. You light shit on fire and sling it out the back end. There are basic physical limitations on how efficient it can possibly be.