Exotic Propulsion: Technological Probes From the Final Frontier Avi Loeb·March 30, 2023By studying interstellar objects, we may learn about new exotic propulsion methods that will make it easier for us to venture into interstellar space.
Water Plasma Space Thruster Passes Key Test Company Hopes to Begin Space Deployment of Unique Propulsion System This Year Christopher Plain·April 8, 2022Space startup Momentus says their Vigoride water plasma thruster has successfully completed thermal vacuum (TVAC) testing.