To paint a picture of SpaceX having a future where it can still grow 10,000x, Musk has started hyping up antimatter But in the academic world, antimatter is indeed recognized as the best fuel for interstellar travel CERN (that big collider in Europe) has been running for decades and has produced a total of around 10 nanograms of antiprotons. Fermilab in the U.S. has managed to accumulate about 15 nanograms over its lifetime. Looking forward to Musk bringing down the production costs