5min chapter

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#124 – Stephen Wolfram: Fundamental Theory of Physics, Life, and the Universe

Lex Fridman Podcast

CHAPTER

Einstein's Equations

Einstein's equations in their simplest form apply to the vacuum, no matter just the vacuum. The question is how does matter come into this? And for that, you have to understand what energy is in these models. Energy is basically, well, intuitively, it's the amount of activity in these hypergraphs. In other words, we can think about this causal graph as having these edges that represent causal relationships.

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