Rikai Funo · Track 12 · middle
Ode to Causal Set Theory
Spacetime is not a smooth manifold but a locally finite partially ordered set — a causal set. Every event relates to every other by 'before' or 'after,' and between any two events only finitely many others intervene. The discreteness is not imposed; it emerges from the causal structure alone. An ode to the universe as cosmic list — ordered, finite-grained, and haunted by the question of how the smooth continuum we experience emerges from the discrete.
Lyrics
[Intro] Take away the curve. Take away the fabric. There is only the dust. [Verse 1] You were never born smooth. You were never a manifold, never a sheet of silk for the planets to roll on. Just a point. And then another. A breath, and then another. And the only law was the arrow. This one came before that one. This one cannot reach back. A partial order. Locally finite. That's all you ever promised to be. [Chorus] You are just a cosmic list. A scattering of events. And between any two, I can count the steps. The moments between the first light and my first word. There is no infinity hiding in the gaps. Just the grain of you. Just the lonely, perfect order of before and after. [Verse 2] I see the room at Syracuse. Rafael Sorkin holds a piece of chalk. It is 1987. He draws you, one event at a time. Luca Bombelli watches the board fill up. The printouts from the dot-matrix smell like warm toner and plastic. Stacks of paper trying to find the smooth world inside the spaces. [Chorus] You are just a cosmic list. A scattering of events. And between any two, I can count the steps. The moments between the first light and my first word. There is no infinity hiding in the gaps. Just the grain of you. Just the lonely, perfect order of before and after. [Bridge] So where does the water come from? Where is the flow? We ride on these waves of spacetime, we feel the continuous glide of the clock hand. And all along, underneath, it's just you. Ticking. A universe of discrete heartbeats. How do you fool us so well? How does the pixel become the river? [Outro] A point. And another. A relation. Nothing more. The list keeps writing itself.