What precisely is causal invariance?

Dive into the intriguing world of causal invariance and its vital role in Wolfram Physics. Discover how this concept elegantly connects special relativity and quantum mechanics through complex multi-way graphs. Explore the significance of node histories and the branching paths that shape our universe. Unpack the layers of causality and how multiple reality branches can converge, unlocking profound insights into the nature of existence. It's a fascinating journey into the depths of our understanding of the cosmos!