NASA has test-fired a "certification engine for the new batch of RS-25 engines" on Feb. 8, 2023 at the Stennis Space Center ...
A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than previous ion engines.
NASA's Jet Propulsion Laboratory recently reached a significant achievement in space travel technology. They successfully tested a lithium-fed magneto.
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