7 November 2026 · Day 2

Black hole echoes: our first real prediction

Day 1 ended with a problem: so far, our rules just repeat what Einstein already said. To be a real theory, we need one prediction that is different — a number nobody else predicts, that we can actually measure. Today we go after it.

The idea

When two black holes crash together, they make one new, bigger black hole. It settles down by ringing, like a struck bell — a fading wobble that spreads out as ripples in space. LIGO, the giant detector in the United States, has recorded this ringing many times.

Einstein says the ring fades away smoothly and that is the end of it. But our theory says the edge of a black hole is made of tiny pixels, not a smooth surface. If that is true, the ring should not fade away cleanly. A little of it should bounce off the pixel structure and leak back out — faint repeats, like an echo coming back across a canyon.

Working out the gap

The key number is the gap in time between one echo and the next. It depends on just two things: how big the black hole is, and how long a ripple takes to crawl out from near the edge, where our slowdown is strongest.

The black hole LIGO first saw, back in 2015, was about 180 kilometres across. Out in open space a ripple would cross that in well under a thousandth of a second. But near the edge, the slowdown from Rule 3 stretches that crawl out enormously. When you follow the maths through, the echoes come out roughly a tenth to a third of a second apart for a black hole this size.

Why this matters

That gap — somewhere around 0.1 to 0.3 seconds — is a real, checkable number. It is our first prediction that goes beyond Einstein:

If LIGO’s recordings show faint repeats at that spacing, after the main ring, it is a point in favour of the pixel idea. If careful searching shows nothing, our pixel idea is wrong, and we change it. Either way, we finally have something the universe can answer.

The honest caveat: some researchers claimed hints of exactly these echoes in 2016, but later, more careful searches did not confirm them. So this is a live, unsettled question — which is exactly where a new theory should plant its flag.