"Under our feet?" The middle-aged man looked down, and a dark red light came through the cracks in the metal floor, "Didn't you just say that there is no F22 under the academy?" ”

Omega waved his hand to disperse the tables and chairs on the floor, and the tables and chairs all turned into dots of light and dispersed. She clapped her hands gently, and the floor of the machine room suddenly shook slightly, and the piercing sound of machine friction and gear rotation sounded, the middle-aged man was taken aback, he felt that the floor under his feet began to move, and the man hurriedly took a few steps back.

"Even if I had a fighter plane hiding here, you wouldn't be able to fly it."

The girl laughs.

The metal floor slowly moved away, revealing a circular wellhead, from which scorching air and red light erupted, as if coal was burning at the bottom of the shaft.

The middle-aged man stood at the edge of the wellhead, his probe looking down, his hair swept by the air current.

The diameter of the wellhead is a full five meters, and the bottom is densely covered with complex machinery, pipes and cables, dense indicators flashing dark red, and cooling fans pour huge cold air into the cooling equipment, and the air flowing through the bottom of the well has become a little hot when it comes out.

"This is the lowest level of the academy." Omega jumped up, suspended in mid-air, and slowly fell in, "Come down." ”

The middle-aged man nodded, he found a ladder at the edge of the wellhead, the long ladder was fixed to the wall of the well, he climbed down the ladder, Omega levitated beside him, and slowly descended with him.

The man climbed down block by block, dense cables and pipes hanging above his head.

"I feel like I'm crawling into the pipe of a high-energy particle accelerator." The middle-aged man looked up, his face reflected in the red light, "Or like an electrician repairing a wind turbine." ”

"Don't touch anything around you." The girl reminded, "Some pipes have high voltage of 3,600 volts and high temperature of 700 degrees. ”

"No wonder it's so hot down here." The man raised his hand to wipe his sweat, "If I stay like this, I'll get heat stroke and dehydration." ”

The vertical depth of this well is more than 50 meters, almost 20 stories high, the middle-aged man climbed for ten minutes to reach the end, the further downwind the heavier, the higher the temperature, the louder the noise, the full of roaring sound, the man feels like he has climbed into the generator set of a hydroelectric power station.

There was a metal mesh at the bottom of the well, and there was more space at the bottom of the net, but he couldn't go down, and the man stood on the metal grid, looking down, and the scorching heat and air currents were coming from the bottom...... The middle-aged man secretly exclaimed, he had known that such a thing was here, but it was the first time he had seen it with his own eyes.

Those bastards back then were crazy.

The space underground was filled by a massive boiler...... The middle-aged man described it as a boiler, because it was a cylinder, and dense pipes and cables were connected to this cylinder, and the strange-shaped machinery twisted into a ball, and everything was a scorching dark red, like the internal organs of some mechanical creature, which made people feel inexplicably frightened in their hearts, as if the mass below was alive and would be swallowed up if it fell.

It is the culmination of the most complex machinery, ergonomics, and energy use ever made by humans, and anyone who sees it will be shocked at its complexity and enormity.

Omega landed lightly beside the middle-aged man and looked down with him.

"This ...... That's ......"

The girl nodded slightly, "This is AN1800B, the most advanced fast breeder reactor built before the destruction of human civilization, and the Gene Plasmid Company has only produced two of them with the world's strength, and this is one of them." ”

"Look at this thing......," the man crouched down and sighed softly, "I can only remember what a powerful race humans were back then, the king is a fart, a fool who doesn't even understand nuclear physics and quantum mechanics, and dares to claim to be a god." ”

Omega squatted on top of the reactor with him, and the man was frustrated.

"You said that the old guys left behind, is it this reactor?" The middle-aged man tilted his head and asked, "This is not a weapon at all, how can it be used against hunters?" ”

"It's not a weapon." The girl shook her head, "But it can be turned into a weapon." ”

"Hey, hey, girl, don't say anything that can detonate a reactor like a nuclear bomb, everyone knows that a reactor and an atomic bomb are two different things, even if you pile up a hundred tons of bombs here and detonate them, you can only blow up the fuel all over the street, and you can't get up a mushroom cloud." The middle-aged man said, "The most you can do is a nuclear leak, but a nuclear leak is not lethal to hunters, right?" ”

"You're underestimating the company." The girl smirked, "They can think of anything you can think of...... Do you remember the black box agreement I just told you about? ”

The middle-aged man was stunned for a moment and nodded.

"The full name of that protocol is 'AN1800B Fast Breeder Reactor Bottom Layer Interface Transfer Agreement,' and it's like a redirection valve, and once you turn it, the nuclear fuel that would otherwise be used for energy consumption goes into another way." "The reason why the structure of this reactor is so complex is that the engineers who designed it at the time also reserved the detonation interface at the bottom level, and there is a detonation command in the bottom command of the central computer, and that protocol is the switch, and once the board management opens the black box with the key and executes the protocol, then the whole detonation program will be connected......

"This ...... How is this possible? The middle-aged man was surprised, "Even if you can detonate it, how can you trigger a chain reaction?" How do you achieve the demanding conditions required for chain reactions? ”

"Do you know why they chose a fast breeder reactor?" "This kind of reactor uses liquid metal sodium as a coolant, which is very cumbersome to design and manufacture, and if they had chosen a normal light water reactor back then, the cost would have been reduced by more than half." ”

The man was stunned.

"Because the fast reactor only consumes uranium-238 when it is running, it can continuously produce plutonium-239, which is the most important nuclear weapon charge." Omega said lightly, "The plutonium-239 enrichment in this reactor is as high as more than 98 percent, which is weapon-grade...... If you can go down to the bottom, you can see that the space below is actually spherical. ”

"Spherical?"

The girl nodded, "Because there is a directional high-energy explosive attached to the inner wall...... The space beneath the academy is actually like a large flask, and we are now at the root of the burning bottleneck, and the reactor is placed in the center of the flask, and they have installed high-energy explosive blocks on the inner wall of the bottle, which is called an explosive lens. ”

"Once the detonation process is activated, the central computer will remove all the thermal conduction circuits of the reactor, and the reactor container inside the containment vessel is two hemispheres, and all the nuclear fuel will be introduced into these two hemispheres." Omega continued, "The high-energy explosives that are immediately around will be gathered one by one with the help of robotic arms, and will be attached to the outer walls of the two hemispheres, because the curvature of these explosives itself fits the shape of the sphere, so that nothing is missed......"

The middle-aged man was stunned, he was a mechanical and energy expert, and he knew the basic structure of the nuclear bomb, and the process that the girl was talking about was simply assembling an implosion atomic bomb on the spot!

"You know exactly what will happen next." The girl said, "Once the computer simultaneously detonates the explosives on the outer wall of the hemisphere, the two plutonium-239 hemispheres merge into one under the action of high pressure, instantly exceeding the critical volume, creating a chain reaction...... It would be a 1.5 million tons of TNT-equivalent nuclear bomb, capable of killing all living things within a five-kilometer radius of the blast center. ”

"Those crazy people really buried a nuclear bomb under the academy!" The man yelled, "I didn't know until now that I had lived on a cannon battle for four years!" ”

"It's the last means of counterattack they're left behind." "They envision that one day in the future, if the safe zone is breached and humanity is slaughtered, the people who remain here will be able to detonate a nuclear bomb and die with the hunters." ”

The middle-aged man was suddenly stunned, "Wait...... Since they used this move as a last resort to fight back, why wasn't the nuclear bomb detonated when this place was breached? ”

The girl's body shuddered.

"Because...... I ruined the black box and the protocol was invalidated. ”

Omega looked up, "They did try to detonate a nuclear bomb, and the company's board of directors entered the key into the central computer, but the black box didn't exist anymore, so they failed." ”

The man was stunned and silent for a long time.

"Well done, worthy of being my girl." The man whispered.

The girl looked up, a little stunned.

"If you do let them succeed, how are we going to meet again?" The middle-aged man laughed, "Those old guys, if they die, they will die, anyway, they will die sooner or later, as long as my princess survives." ”

"I've reinstated the protocol." "You can use this nuclear bomb against the Night King, who will not survive the explosion of the atomic bomb." ”

"Then you'll die."

"I've lived long enough." The girl smiled, "I'm a computer." ”

"Not in my eyes." The middle-aged man waved his hand, turned around and began to climb up, "Why should I sacrifice my princess for a monster that came out of nowhere?" Keep that cannon, and when all of us are dead, you can set off a big firework to commemorate it. ”