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Thornton couldn't stop looking at the diagram.
He'd carried it back to the temporary quarters and spread it on his desk, weighting the corners with coffee mugs. The plasma cannon schematic was simple in layout, complex in implication. A cylinder, roughly sixty feet long, divided into three functional zones.
Zone one, the rear: the plasma generation chamber. Laser excitation arrays surrounding a sealed gas reservoir. The lasers would heat xenon gas to a plasma state, ionizing it, superheating it, converting stable matter into a screaming cloud of charged particles at thousands of degrees.
Zone two, the middle: a straight-bore transmission channel. Lined with superconducting electromagnetic coils that would accelerate the plasma bolt from the generation chamber toward the muzzle. The bore needed to be perfectly straight, perfectly smooth, and perfectly sealed. Any imperfection would cause the plasma to contact the barrel wall and either melt through it or lose energy before reaching the exit.
Zone three, the muzzle: the part that mattered. The part that had defeated Thornton's team for four years.
Two devices sat at the cannon's mouth like a pair of mechanical claws. The focusing lens and the amplifier.
The focusing lens was, conceptually, an electromagnetic concentrator. It would compress the plasma bolt at the instant of discharge, squeezing its cross-section, increasing its density, giving the ionized particles less room to scatter. Think of it as pinching the end of a water hose: same volume, smaller aperture, faster and more concentrated output.
The amplifier was the insurance policy. Even a focused plasma bolt would begin losing coherence within milliseconds of leaving the barrel. The amplifier would inject additional energy into the bolt at the point of discharge, boosting its thermal and kinetic properties past the threshold where the particles' mutual repulsion could overcome their forward momentum.
Together, the two devices solved the dispersion problem from both directions. Compress the bolt so it starts tight. Energize it so it stays tight.
Thornton had never considered this approach. His team had spent years trying to solve containment inside the barrel, using magnetic fields and electromagnetic shaping to hold the plasma together before it left the gun. Ryan's approach was the opposite: let the plasma travel freely through the bore, and solve the coherence problem at the exit.
It was elegant. It was also unproven. And the engineering tolerances required for both the lens and the amplifier were extreme. If either device was off by even a fraction of a percent, the bolt would either scatter at the muzzle (lens failure) or explode at the muzzle (amplifier overload).
But the math on the diagram checked out. Thornton had run the numbers himself, twice, and found no errors.
There was a knock on his door. Three of his senior researchers filed in, each holding their own copy of the diagram. They'd been running their own calculations.
"The focusing lens geometry is sound," the first one said. "I modeled it against our old dispersion data. If this thing performs as specified, it addresses every failure mode we documented."
"The amplifier concerns me," the second said. "The energy injection timing has to be precise to within microseconds. If the boost hits too early, the bolt destabilizes inside the barrel. Too late, it's already scattered."
"That's an engineering problem, not a physics problem," the third said. "The underlying principle works. The question is whether we can build hardware precise enough to execute it."
Thornton nodded. This was the distinction that mattered. The theory was valid. The challenge was fabrication. Building a focusing lens and an amplifier that could operate at the required precision, under the thermal and electromagnetic conditions inside a plasma cannon's muzzle, would push the limits of every manufacturing process they had access to.
But they had access to Aegis Industrial's fabrication network. And if the reactor and ion battery production was any indication, that network could produce things that nobody else could.
"What do you think?" the first researcher asked.
Thornton looked at the diagram one more time. The elegant simplicity of it. Two components solving a problem that had consumed years of his life.
"I think this might actually work," he said. "And I think that scares me more than if it didn't."
"Why?"
"Because if a fourteen-year-old just solved in his head what forty of us couldn't solve in a lab with a full budget and four years of runway, I'm going to have to seriously reconsider what I've been doing with my career."
His researchers said nothing. They were thinking the same thing.
"Get some rest," Thornton said. "Tomorrow we start going through our old data with fresh eyes. Everything we collected during the original program. Every failed test, every anomalous reading, every data point we couldn't explain. I want to see if Ryan's approach retroactively explains any of our old results."
"You think it will?"
"I think if his lens-and-amplifier model is correct, we're going to find that some of our 'failed' experiments were actually partial successes that we didn't recognize because we were looking for the wrong thing."
The researchers filed out. Thornton sat alone with the diagram and his cold coffee.
Somewhere outside, the ocean was audible through the thin walls of the temporary quarters. Waves on a beach. The sound of a world that didn't know it was about to gain a new category of weapon.
Thornton folded the diagram carefully and put it in his desk drawer.
Then he went to bed and didn't sleep for a very long time.