From Futurism:
In Cryptic Tweet, Elon Musk Refers to Antimatter-Powered Rockets
Yes Man
SpaceX’s Starship is powered by methane. Its Falcon 9 runs on highly refined kerosene known as RP-1.
But if a new tweet means anything, SpaceX CEO Elon Musk already has his eyes set on a much higher-tech rocket fuel: antimatter.
In a reply to a post about antimatter rockets — hypothetical spacecraft that would be powered by antimatter — Musk tweeted just two words: “Ultimately, yes.”
Nothing Antimatters
In science fiction, antimatter is often suggested as a fuel or even a weapon for futuristic spacecraft....
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