Elon Musk reposted
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.
04:18 PM · July 12, 2026 · 632K views
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