Anything Goes : How Star Trek Can Inspire the Imagination by Jason Sylvester

After recently watching an episode of Deep Space Nine, I started wondering about the nature of multiverse theory and its real-world implications for quantum physics.

The Fragile Multiverse: How Quantum Instability and Time Itself Could Collapse Reality

In my recent review of The Tao of Physics, I shared a transcendent experience — one that gave me an intuitive sense of infinite spacetime. Building on that perspective, I began a thought experiment rooted in quantum superposition and multiverse theory.

If every choice — A or B — splits reality into diverging outcomes, spawning Multiverse B, and if that universe spawns its own web of branching possibilities, what happens if Multiverse B itself is unstable? What if a temporal anomaly sends someone from time t₀ back into the past, only for them to reach t₀ again and correct the event that triggered the loop? What happens to the entire chain of consequences — the people, the particles, the very fabric of that reality?

Assuming multiverses are continuously blooming from a background quantum field (a term I use provisionally — the nature of this medium is explored at the end), I found myself asking:

    Can a multiverse spontaneously vanish?

    Are new universes spatially adjacent to their source, or flung to opposite ends of some deeper cosmic topology?

    Would clusters of multiverses exert measurable gravitational effects on their medium?

    If one collapses, could it echo back through time — or leave a trace, like a cosmic bruise?

    And what of all that matter and energy? Is it reabsorbed into the quantum field to seed future universes?

I assumed physicists had pondered similar questions, so I asked ChatGPT to scan the academic literature and summarize the core ideas. The article that follows is the result: a conceptual tour through fragile multiverses, quantum branching, and the elusive scaffolding of existence — written in my style, and aimed at readers with curiosity but not credentials.

The Fragile Multiverse

One of the more intriguing threads in modern theoretical physics isn’t just that our universe might be one of many — it’s that not all of them are stable. Some could be collapsing right now. And in a universe where time may not even be fundamental, the whole thing starts to feel more like metaphysics than math. But the equations, remarkably, hold. Let’s begin where things fall apart.

Cosmological Cracks

In a series of papers, physicists Audrey Mithani and Alexander Vilenkin have explored models of the universe that appear stable in classical terms — oscillating or “emergent” universes that just hang around forever without a beginning. But when quantum mechanics gets a say, these models collapse.

Literally.

Through quantum tunneling, universes that should persist can “jump” into nothingness. In some cases, the universe doesn’t need a Big Bang to start — it needs a quantum pothole to end. The takeaway is disturbing: what appears stable may not be, and the only thing holding back annihilation might be a thin barrier of probability.

Temporal Anomalies and the Birth of Time

A more radical view comes from physicist Sung-Sik Lee, who proposes that time itself isn’t a backdrop to the universe but a byproduct of wavefunction collapse. In his theory, time “emerges” from the process of quantum measurement — an event becomes real, and time ticks forward. But without those events? No clock, no cause, no effect. Just timeless potential.

This opens up a curious possibility: if time isn’t fundamental, then neither is continuity. Universes could wink out, not due to entropy or decay, but simply because the chain of quantum “collapses” stopped linking together. A kind of metaphysical dropout.

Multiverse Mosaic: Stable and Unstable Realities

Elsewhere, theorists have proposed that the multiverse is a patchwork of expanding “bubbles,” some stable, others collapsing. In one paper simply titled Multiverse as an Ensemble of Stable and Unstable Universes, researchers outline how eternal inflation could create domains where false vacuums decay and trigger quantum collapse, even while nearby regions expand unimpeded.

This is cosmology as probability field — some bubbles thrive, others burst. There’s no master plan, no cosmic design. Just a probabilistic churn of birth and death on a universal scale.

Echoes in the Dark: Could We Detect a Collapsing Universe?

This leads to a fascinating question: If another universe were to collapse — or a bubble wall to rupture — could we detect it? In principle, yes.

Gravitational waves, the ripples in spacetime first observed in 2015, could carry signatures of these events. Colliding vacuum bubbles or abrupt phase transitions in the early universe could generate a background hum — a cosmic static that tells us something dramatic happened. Future detectors like LISA may be able to pick up these low-frequency whispers.

Meanwhile, deep learning algorithms are being trained to scan gravitational wave data for anomalies — signals that don’t match black holes or neutron stars, but something stranger, something unmodeled. A cosmic “glitch” might one day point to an event so large it transcends our universe.

Why It Matters

The idea that some universes are unstable isn’t new — it’s embedded in early 20th-century physics. But what’s emerging now is a confluence: time, quantum mechanics, and the multiverse aren’t independent ideas. They may be inseparably tangled. A collapsing universe might not just be a spatial event — it could be temporal, ontological, existential.

And what’s more — it might not make a sound.

Whether any of this can ever be confirmed is an open question. But the fact that we can even speculate coherently about collapsing multiverses and the emergence of time speaks to just how far modern physics has come — and how thin the line between science and philosophy can sometimes be.

What Led Me to Speculate

After recently rewatching the Star Trek: Deep Space Nine episode “Children of Time,” I found myself spiraling down a rabbit hole of quantum theory and metaphysical physics. In the episode, the crew of the Defiant inadvertently travels 200 years into the past, founding a new society of 8,000 people — only for that entire timeline to vanish when they later prevent the time-travel event from occurring. As fiction, it’s haunting. But as theoretical physics? It raises a deeply uncomfortable question, one I would not have pondered, except for my new spacetime perspective: if a timeline can vanish, what happens to all the matter, energy, and experience that once existed there?

The Many-Worlds Interpretation (MWI) offers a potential answer. It holds that every quantum event spawns branching outcomes — not by creating new matter or energy, but by decohering existing possibilities within a vast, overarching quantum wavefunction. In MWI, all possible outcomes of every decision or particle interaction already exist in superposition. When one outcome “happens,” the others don’t vanish — they simply evolve along separate, non-interacting branches of the universal wavefunction. So, in theory, the 8,000 descendants from “Children of Time” still exist — just in a branch the crew can no longer access. They weren’t destroyed; they decohered.

But this begs the next question: where do all these universes “exist”? Is there a space — some medium — that holds these countless parallel timelines? Mathematically, yes. That space is called Hilbert space — an abstract, high-dimensional arena in which all quantum states exist as vectors. It’s not a place in spacetime. Instead, it’s the invisible scaffolding that supports the entire quantum multiverse. Other models refer to configuration space, superspace, or even brane-world structures in higher-dimensional physics. Yet no physical experiment has ever confirmed a literal “layout” of multiverses, whether overlapping like radio frequencies or floating like bubbles in cosmic foam.

Still, what if a universe — like the alternate timeline in DS9 — does collapse? In MWI, collapse doesn’t exist. All branches continue forever. But in speculative models involving vacuum decay, gravitational anomalies, or new physics, entire universes might tunnel into oblivion or become unviable. This challenges the foundational assumption of quantum theory — that information and energy are always conserved. It opens the door to the idea of a truly fragile multiverse, where not every possibility survives.

Whether or not we can ever detect such collapses — perhaps via exotic gravitational waves — is unknown. But the fact that Star Trek can prompt these questions is a testament to its continuing power: not just to entertain, but to awaken in us a deep sense of curiosity about the architecture of reality itself.

This is another example of how a transcendent experience provides an intuitive insight into the fundamental structure of our universe — a glimpse of the quantum reality that, as I pointed out at the end of my Tao of Physics review, others experienced in times past but didn’t have our modern understanding to know how to interpret what they were seeing in their mind’s eye.