Elon Musk a reposté
Elon Musk
@elonmusk
@beffjezos I say both energy and mass, as they are separate scarcities for practical purposes, despite being technically “equivalent”, as described by Einstein’s famous equation.
Our solar system has only a tiny percentage of non-solar atoms with which to build things.
16:18 · 12 juillet 2026 · 632 k vues
915
608
5,6 k