Elon Musk: “If you're going to climb the Kardashev scale and harness…”

“This is a very important point to appreciate because Sometimes people will talk about marginal nuclear reactors or any various fusion on Earth, but you have to step back a second and say if, If you're going to climb the Kardashev scale and harness some non-trivial percentage of the sun's energy... that would be about, call it roughly 100,000 times more electricity than we currently generate on Earth for all of civilization. for all of civilization, give or take an order of magnitude. So obviously the only way to scale is to go to space.” (04:37–22:33)

This is an excerpt from a raw transcript. The assertions have not been audited or verified. Tap the video to view the source footage and understand the context.