3min chapter

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#240 – Neal Stephenson: Sci-Fi, Space, Aliens, AI, VR & the Future of Humanity

Lex Fridman Podcast

CHAPTER

Chemical Rockets - What You Mean by That?

Freeman Dyson: You could use nuclear propulsion. There's a conceptually similar approach using lasers that Freeman worked on with Arthur Cantrowitz and some others. We looked at tall towers. I spent a while looking kind of semi seriously at giant bullwips with a bullwip.

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