Here is the claim, stated up front so you can decide whether to spend an hour with it: science and the world's faiths can be true together — not by watering either down, but because mathematics turns out to contain a space roomy enough for both, and because we are now, for the first time, close enough to real universe-making machinery that the oldest religious questions are becoming engineering questions without ceasing to be religious ones. The essay promises to say which parts are proven, which are sound engineering extrapolation, and which are faith — and that knowing which is which is not a retreat from wonder. It is where the wonder lives.
The machinery first, because it sounds most like science fiction and is least so. The Quantum Privacy Network was not designed to build simulated universes; it was designed to let people, institutions and traditions hold and govern what they value on shared infrastructure without surrendering it. But ask what a simulated world would need before anyone sane would live in one, and it is exactly that list. A world is not made habitable by its physics engine. It is made habitable by its law: who you are there, what you own there, what may be done to you there, who decides, and what follows you home. Rendering worlds is a matter of computation, and computation is a matter of energy. Making worlds worth entering is a matter of trust architecture — and that architecture exists. The Accelerator Network is its organisational form: chartered programs through which communities, faith communities included, can build, govern and steward domains of their own, under their own taxonomies of value. Extend the same form to world-building, and any tradition, given sufficient computation, can raise a world that embodies its beliefs, govern it by its own lights, and — as interfaces mature from today's crude implants into full immersion — walk in it.
One more thing, because it frames everything. My father believed that angels were a more advanced people in ships, speaking to our ancestors in the metaphors our ancestors could carry. I record that as family memory, not doctrine. But notice what kind of belief it is: it takes the old accounts seriously and the new knowledge seriously and refuses to choose between them. That refusal, disciplined by mathematics, is what this essay is. Clarke made the general point famous — any sufficiently advanced technology is indistinguishable from magic — and its corollary is the humble one: a sufficiently early observer cannot tell miracle from machinery, and we are all early observers of something. My grandmother would have said God was acting through the machinery. The mathematics, we shall see, is roomy enough for her too.