For most of human history, space and time have been treated as the immutable stage upon which the drama of the universe unfolds. But in the rarefied air of quantum gravity research, that stage is beginning to look more like a projection. The fundamental question currently haunting both physics and philosophy is whether spacetime itself could emerge from something entirely non-spatiotemporal—a foundational "nowhere" that precedes the very concepts of distance and duration.
For over 25 years, philosophers Christian Wüthrich and Nick Huggett have occupied the intersection of physics and metaphysics, seeking to reconcile the smooth geometry of general relativity with the discrete, chaotic world of quantum mechanics. Their body of work suggests that if we look deep enough, the fabric of the universe may dissolve into structures that bear no resemblance to the dimensions we inhabit. In this view, spacetime is not the bedrock of reality, but a "low-energy" approximation—a macroscopic phenomenon that arises from a more complex, alien substrate.
This shift in perspective demands a new philosophical vocabulary. If space and time are emergent, our traditional notions of causality and existence must be reevaluated. We are forced to imagine a reality where "where" and "when" simply do not apply, leaving us to wonder what remains of our physical laws when the coordinates of the universe are stripped away.
With reporting from Notre Dame Philosophical Reviews.
Source · Notre Dame Philosophical Reviews
