Physics has a short list of questions it hasn’t answered. Why is there a definite outcome when you measure something quantum? Why does matter outnumber antimatter, when the equations treat them almost identically? Why is empty space’s own energy so absurdly small compared to what quantum theory predicts? Why exactly three generations of matter particles, not two, not four? What actually happens to information that falls into a black hole?
These aren’t fringe questions. They’re the ones physicists themselves list when asked what’s left to explain. ArXe is a framework that starts from a single axiom — that complete logical nothingness cannot sustain itself, and so a structure of necessary levels unfolds from that instability — and asks how far you can get toward these questions from there. This page is an honest progress report: what’s actually nailed down, what’s genuinely underway, what the framework reframes instead of answering, and what’s still just a promising hunch.
Nothing here is oversold. Some of it is real. Some of it is a good start with an honest gap in the middle. Being able to tell the difference, entry by entry, is the point of this page — not a scoreboard, a map.
The two clean wins
Why three generations of matter, and not some other number
Every generation of matter — electron, muon, tau and their neutrino and quark cousins — is, in this framework, one of a small number of ways a certain foundational structure can be internally ordered. Work out how many ways there actually are, once you account for one structural fact that fixes a starting point, and the count comes out to exactly three. Not two, not four. It isn’t a guess dressed up afterward to match the three we happen to observe — the argument would have told you three before anyone measured a muon. That’s the kind of claim ArXe is built to make when it can: not “we haven’t seen a fourth,” but “there is no room for a fourth.”
Getting the fine details of phase transitions right
When a material crosses a critical point — magnetizing, boiling, forming a connected cluster — the way its properties diverge is described by precise numbers called critical exponents. ArXe reproduces several of these, for real physical systems, to a level of precision that rules out coincidence, and does it with unusually simple numbers (small fractions of small arities) rather than the ugly decimals you’d expect from a free fit. In one case the exact structure of the exponent was worked out from first principles and checked against three completely different physical systems at once — and it matched all three exactly.
Real progress, honest gaps
This is the largest and most interesting category, and it’s worth resisting the urge to round it up to “solved” or down to “nothing.” These are places where ArXe has genuinely moved the question forward — narrowed it, explained part of it, ruled something out — without yet closing it end to end.
The tiny leftover twist in how quarks mix (CP violation)
There’s a small but real four-way asymmetry hiding in the way quark types interconvert. ArXe found that exactly one such asymmetry has to exist — a real, derived result, not an assumption — and has a working argument for why it can’t be zero. What it doesn’t have yet is a first-principles account of the asymmetry’s exact size; that number was found by pattern search, and a promising-looking explanation for part of its structure turned out, on further testing against an independent case, not to hold up. That failure is included here on purpose — it’s what real progress looks like from the inside, not a footnote to hide.
Dark energy — the smallest big number in physics
The energy of empty space is real, measured, and about 120 orders of magnitude smaller than a naive quantum estimate — one of the most notorious mismatches in physics. ArXe doesn’t produce that number. What it does is show that the smallness isn’t an artifact of how or where it’s measured — it’s a genuine property of whatever underlies it — which rules out one entire family of “it’s just a measurement convention” explanations, without yet supplying the real one.
Dark matter
No mass prediction here (an earlier specific guess didn’t survive scrutiny and was withdrawn). Instead, a falsifiable shape for the answer: if dark matter is a single, stable, long-lived particle, it should sit “close” to the Standard Model’s own structure in a specific, measurable sense — the way ordinary, stable particles do — rather than looking like the exotic, short-lived ones. It’s a prediction about what kind of discovery to expect, not a number to look up.
Why matter outnumbers antimatter
Part of the argument for why this asymmetry has to exist at all is on solid footing. The specific size of the effect that tips the balance is not yet derived — it’s currently taken as given rather than shown to be forced.
The strong CP problem
A specific early guess here was tried and openly withdrawn — it leaned on an analogy between two sectors of the theory that didn’t hold up under closer inspection. What replaced it is more modest but more honest: correctly identifying which quantity is actually the physically meaningful one to ask about (it isn’t quite the one most textbooks name first). That’s real, if partial, progress — even though the follow-up question, why that quantity is as small as it is, remains open.
Reframed, not resolved
Two of the biggest questions get a different kind of answer from ArXe — not a mechanism that produces the standard answer, but an argument that the question, as usually asked, is built on an assumption worth dropping.
What actually happens during a quantum measurement
The standard puzzle assumes something dramatic — a “collapse” — needs a mechanism. ArXe’s account is that nothing collapses: a system with open possibilities is entering a domain governed by an already-fixed history, and what looks like a sudden jump is really an already-narrow set of options becoming visible. This picture also has something to say about why measurement can’t be undone, which is usually treated as a separate mystery.
Does information really get destroyed in a black hole?
The standard puzzle assumes the answer is a fact of the world, waiting to be discovered — either information is preserved or it isn’t. ArXe’s position is that this assumption is exactly what breaks down here: what comes out of a black hole is a perfectly well-ordered signal, but whether that signal counts as recoverable “information” depends on there being someone able to decode it, and nothing guarantees that. The uncertainty isn’t a gap in the theory — on this view, it’s the actual answer.
Honest hunches — not more than that, yet
Three of the biggest names in physics get, so far, a single sentence of direction each, and no developed argument:
- Quantum gravity: the expectation is that spacetime itself is a consequence of something more basic, not a starting ingredient — but this hasn’t been built out into an actual argument yet.
- Why nature’s scales are so wildly different sizes (the “hierarchy problem”): the expectation is that different kinds of underlying structure naturally produce different scales — again, a direction, not yet a derivation.
- The vacuum energy problem, as a question in its own right, is currently just the dark-energy discussion above, restated — no independent treatment yet exists.
These are listed for completeness, not because they’re close.
So — is ArXe onto something?
Two clean, checkable wins. Five places with genuine, honest partial progress — including one case, worth pointing at directly, where a promising idea was tested and failed, and that failure is on the record instead of quietly dropped. Two of physics’s strangest open puzzles reframed in a way that at least explains why they’ve resisted a normal answer for so long. Three honest admissions of “we have a hunch and nothing more.”
That’s not a framework claiming to have solved physics. It’s a framework young enough that you can watch it work in real time — including the parts where it’s wrong, or not there yet — which is a fairly rare thing to be able to see from the outside. Whether it goes further from here is an open question. So far, it hasn’t had to bluff to make progress, and that’s worth something on its own.
Diego Luis Tentor — ArXe Research — 2026
For the more technical version of this classification, and the reasoning behind each category, see Where ArXe Stands on the Open Questions of Physics and Two Modes of Explanation in ArXe.