The Collapsium (48 page)

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Authors: Wil McCarthy

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Being half composed of silicon, wellstone iron is less strong than its natural cousin, less conductive and ferromagnetic, basically less ironlike, and if you bash it over and over with a golf club it will gradually lose
any
resemblance, reverting to shattered silicon and empty space. On the other hand, it’s feather-light, wholly rustproof, and changeable at the flick of a bit into zinc, rubidium, or even imaginary substances like unobtanium, impossibilium, and rainbow kryptonite.

Well, half-kryptonite anyway; the rest is still silicon. However, since the theoretical properties of the “pure” substance will never occur outside a quantum well, the distinction is largely moot. The copyrighted element Bunkerlite, for example, is a million times stronger than the wellstone matrix that supports it. Together, they’re merely
half
a million times stronger.

Wellstone can also form compounds, amalgams, admixtures, sinters, and even whole solid-state devices; a thin square of it
can be a hypercomputer if you like, or a clear glass window, or a stunningly accurate painting of your sister.

So it’s handy stuff to have around, particularly in conjunction with nanoassemblers and other semiadvanced technologies of the third millennium. The thing you need to remember is that by Bruno de Towaji’s time it was also dirt-common, its infinite potential mainly in the hands of bored or inept programmers who’d rather be looking at counterfeit naked pictures of the Queen.

semisafe black holes

A neuble-mass black hole—precisely the size of a proton—can absorb exactly two excess electrons before electrostatic repulsion overcomes gravitational attraction. By that time the hole’s mass—and therefore its Schwarzchild radius—has become 9.1E–31 percent larger. This infinitesimal widening is sufficient that the hole
can
consume an unlucky proton that strikes it just right—a statistical rarity but, given prolonged contact, an eventual certainty.

That second widening slightly increases the chance that another proton will fall in, which in turn increases the chances of still another, and a few billion iterations later the invading protons are free to crowd around the event horizon and spiral in, forming an ever-widening hole whose mass can eventually grow to disrupt—and finally crush—the collapsium lattice around it.

feigenbaum’s number

When a system is in transition from a laminar (or “smooth”) to a turbulent (or “messy”) state, it passes through a condition known as “chaotic frequency doubling,” in which cyclic events come more and more frequently, until finally they smear into a jumble we resignedly call “random.” Examine the trail of smoke rising up from a burning ember or weed pipe in the absence of wind and you can see this phenomenon directly: near the source, the smoke is a thin, clean line, like a length of ribbon. Higher up, it’s a rising and unpredictable snarl of overlapping vortex rolls and curls. In between lies the chaotic transition zone, where single vortices break into double vortices break into quadruple vortices, and so on. This zone leaps up and down as you watch, its position and dimensions malleable in the face of quite small perturbations, but understand that if all the variables were constant—the air perfectly still, the embers’ combustion perfectly uniform—the transition zone would hang exactly
so
, its frequency doublings happening over and over at the same exact positions, as if rows of invisible knives hung there, cleaving the vortices in twain as they rose, doubling their number with each successive row.

Here’s the kicker: the spacing of these invisible knives is known in advance, regardless of the nature or conditions of the experiment. The interval between the first and second
row is larger than the interval between the second and third by a ratio of exactly 4.6692016090. The same ratio, always, for smoke curls or ocean waves or ripples through an electromagnetic field. Feigenbaum’s number: one of the many mysterious constants that underlie our universe.

true vacuum

Normal “empty” space is nothing of the kind, is in fact a catchpool of invisible energies at every possible wavelength, and it’s only when these wavelengths are excluded—by closely spaced conducting plates, by fierce applications of charge and vibration, or, best of all, by sheets or shells of static collapsium—that anything like “emptiness” can actually be achieved. The physicist Hendrick Casimir had proved as much even before the age of space flight, and the Queendom’s communication and transportation networks relied on the principle for their daily operation.

But still Bruno had brooded: this Casimir supervacuum wasn’t really blank, empty, or null. Not completely, not in any fundamental sense. A particle placed within it didn’t freeze in place, locked down by absolute zero, and Bruno had wondered just
how much
energy could be pulled from the vacuum before it finally did. An infinite amount for every possible wavelength? Unlikely. So he’d concocted a simple experiment: a spherical shell of collapsium, a kind of piñata of bright pinpoint holes slowly bleeding their mass-energy off as blue-white light. Then he’d measured the difference in vacuum energy between the inside and outside of the sphere. Then he’d put another collapsium shell outside the first—spaced carefully, so the gravitic frequencies would cancel and
the two wouldn’t fall in on each other—and measured the energies again.

And then, somehow, even though these steps were fantastically difficult and expensive and demanding of his deepest attention, he’d repeated them eleven times more.

And for what? To learn what? That the vacuum increased with every Onion layer? That the energy difference between layers shrank progressively as one moved inward? That the rate of this shrinkage was neither exponential nor logarithmic nor asymptotic, but spaced—precisely!—according to Feigenbaum’s number? Pi he could maybe have accepted. With greater difficulty, “e” or “i” or, just possibly, “gnu.” But 4.6692016090? What could such a thing imply? That the universe was chaotic straight through to its core? That all of physics was mad?

How absurd.

electromagnetic grapple

Electrons, like fluids, resist acceleration but resist compression even more. “Press” on them with voltages, and they flow through the conduits laid out before them, spill down waterfall diodes, choke through bottleneck resistors … Fluid pressure can also power reciprocating devices that slosh the flow back and forth through “alternating current” conduits.

Unlike fluids, though, electrons give rise to electromagnetic fields when accelerated and give rise to
oscillating
fields when sloshed back and forth. These oscillations can, in turn, affect the motion of charged particles, such as the quarks of which protons and neutrons are made. So imagine an ultrahigh frequency EM field of infinite range, a field whose tugging vibrations universally attract matter of all types. Newton’s phantom “gravitation,” inexplicable for centuries and misunderstood for centuries more.

Lumps of matter emit such fields naturally, in spherically symmetric echoes of the invisible “vacuum” energy storming around them, but even before the Queendom’s rise it was possible—even trivial—to generate tightly focused beams of this “gravity” for industrial or agricultural or sexual purposes. The scene suddenly fell into place around Bruno; here were the power generators, slowly bleeding the dream of matter off into the much more pliable dreams of AC voltage and amperage. Here were the inductors, the accumulators, the LRC
loops, exactly as they might appear in any of Bruno’s own EM grapples. And down there at the far end of the station were the hazy forms of the revpic chambers themselves. But where Bruno’s equipment was designed to move individual collapsons, or small collections of them—hence his helplessness in the face of the careening Onion—here around him was a device for holding up
millions
of black holes against the pull of solar gravity.

Holding what on the other end? What kept the grapple station itself from falling? He tried to imagine the station’s complement beam anchored to Jupiter, and almost laughed out loud at the idea of that giant planet being reeled in like a fish. No, the beam was probably anchored to some huge, distant star, was probably
dragging
that star sunward, and dragging the entire Queendom of Sol out toward it, altering the paths and positions of the two stars in their slow galactic orbits. Two boats joined by even a very long elastic cord were doomed, eventually, to collide, yes? In a million years, perhaps, if the cords weren’t cut before then.

They
would
be cut if the collapsiter was ever finished—if the Queendom managed to survive its construction.

muon contamination

“Muons are short-lived,” Bruno noted, perhaps too gruffly. “Time dilation has extended their life spans?”

“Indeed,” Marlon said. “They’re quite close to the event horizons, and moving at very nearly the speed of light. Plays hell with the collapsium, I’m afraid—relativistic mass increase is enough to disturb the gravitational balance. For a while, I was seriously thinking the whole region might deconstitute and become a single, massive black hole.”

“Hmm. You’ve since ruled this out?”

Marlon shrugged uneasily. “There are a lot of variables. What equilibrium the system has found is
chaotic
equilibrium—the collapson nodes wander in and out of phase at irregular intervals. So far, they haven’t wandered far enough to lose gravitational rigidity, but the margin is slim, about twenty percent. It seems to be holding—that’s about all I can say.”

“You’ve considered beaming antimuons in to annihilate the contamination?” Bruno inquired.

“Of course,” Marlon replied. “Simulations indicated that the resultant gamma radiation would destabilize the lattice almost as rapidly as gravitic radiation. Our one limited experiment matched the predictions perfectly, so I saw little point in pursuing the matter further.”

“What’s the half-life of the particles?”

“Half-life? Most of them are gone already; they’d’ve decayed almost immediately. It’s only the ones that fell into orbits around the collapson nodes that lingered, and most of
those
are gone as well. It’s only the ones that fell in
close
that remain, all swollen with relativistic mass. So the half-life was probably about a second, although I don’t think that’s what you’re really asking. What you want to know is when the remaining muons will be decayed and gone, or close enough to gone that the Ring Collapsiter’s lattice structure regains stability.”

“You see through the murk of my thoughts,” Bruno agreed.

“Well, unfortunately, I don’t have an answer. Again, there are too many variables to construct an accurate prediction. I can
guess
intelligently: the maximum stable orbit for a particle around a neuble-mass black hole is around a third of the way to the next node in the lattice, a little over one centimeter. Any further than that and the particle will simply be ejected, or else captured by a neighboring hole. The
minimum
stable orbit is around 1.14 proton radii, and that’s where the long-lived particles mostly are. That would put the orbital velocity within, let’s see …”

He tapped some calculations into his slate; they appeared, solved, on Bruno’s own. “That puts them at about seventy percent of light speed,” Marlon said, “which would mean only minor time dilation if they weren’t sitting in this tremendous gravity field. The
gravitational
time dilation factor would be … three times ten to the thirteenth. At that rate, a muon’s lifetime would be—” He tapped some more numbers in. “—three times ten to the seventh seconds. Very approximately, of course.”

defeating inertia

He began with the basics: a standard collapsium lattice with its cube-shaped nodes spaced a little more than two centimeters apart. Denser and looser arrangements were possible; all manner of crystalline symmetries, hexagonal and gyroidal and orthorhombic, with stability islands occurring like spectral lines, seemingly random, at a number of different scales. But that one was the “standard” composition, the one he’d selected for the Iscog’s first primitive collapsiters. By chance? By intuition? Many other crystals had been tried over the years, but that one still yielded the greatest blending of stability and mechanical/industrial usefulness.

This zpf-damping foam, though, would need to be a thousand times denser. Were there stability islands anywhere in the proper range for the foam to work? He crafted a series of simulations to confirm it, then backed them up with a rigorous mathematical proof. But the foam’s structure was another major problem—not a simple lattice at all, but something more akin to a quasicrystal of supercooled fluid packets, spiderwebbed in four dimensions. A vacuogel hypercollapsite? More math was needed to prove
that
wasn’t a ridiculous idea. He fretted through the whole process, gnawing absently on the end of his thumb, but one by one the answers all came back affirmative: the material was physically possible.

Relieved, he called for a toilet, some coffee, a weed pipe,
and a tray of bagels, then indulged in a few minutes of stretching and smoking and refueling his body before diving back in to tackle the issues of construction. Were there valid intermediate states the collapsium could pass through to reach the hypercollapsite state? A proof confirmed that there ought to be, but he needed a whole chain of them—stepping stones from the large and simple to the tiny and intricate—and his initial searches turned up only a single state on anything like the proper pathway.

He grumbled and fretted for a while, converting greater and greater swaths of his study walls into hypercomputer blocks. Finally, when the entire room—right down to the floor beneath his feet—was one giant computing device, he hit on a prime-number sorting algorithm that enabled the wellstone to spit out the whole series for him in the space of an hour. It even pointed to some alternate reaction paths and a handful of quite interesting dead-ends that he resolved to investigate further when time permitted.

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