Shang Lu stayed in the office until one o'clock in the morning, Bai Shuzhen accompanied him to one o'clock, the girl sat far away from the office, not close or far away, I didn't know what I was looking at when she turned on the computer, a white little face was reflected in the backlight of the monitor, and her eyelids couldn't stop fighting.

Shang Lu sat on the armchair with his helmet on, was silent for a long time, and couldn't help but speak:

"You can lie down and sleep."

Bai Shu woke up suddenly, rubbed his eyes, and asked:

"Can I sleep with you?"

Shang Lu mercilessly refused:

"Nope."

The little girl wrinkled her nose, yawned heavily, and turned her head to look out the window at the workshop.

"It should have started by now."

"Do you know what is the most insurmountable moat for human pilots on the battlefield against angels?" Shang Lu suddenly asked.

Shiraki thought for a moment and shook his head.

"What is it?"

"It's reaction speed." Shang Lu replied, "There is a limit to the reaction time of the human brain, this time is almost impossible to break through to less than 100 milliseconds, the propagation speed of the electric field in the wire is the speed of light, but the transmission speed of nerve signals in the human body is much slower, about only 100 meters per second, visual signals enter the cerebral cortex through the optic nerve, and then the brain responds, no matter how fast this speed is, it will take 100 milliseconds, if you add the process of directing the muscle activity of the limbs, then this time will be longer." ”

"The physiological structure of the human body determines that human beings are actually low-speed creatures, and we have ways to improve the strength of limbs, movement speed, and even computing power through tools, but we can't change the speed of brain decision-making." Shang Lu continued, "No matter how powerful the brain is, no matter how much you improve the efficiency of thinking, no matter how much you increase the speed of calculation, as long as it is still the brain of a carbon-based creature, it will eventually hit a 100-millimeter copper wall." ”

Shiraki nodded.

"And angels are different, humans have never faced such enemies, compared to humans, they don't look like creatures, at least they can't be carbon-based creatures, just imagine, if there is an angel, it is only a hundred thousandths of a second per minute in three-dimensional space, then we can't catch it."

"Then we're not human!" Bai Shu said.

"That's what we're doing." Shang Lu raised his hand and clicked on the helmet on his head, "The BCI system is gradually fusing the human brain with the computer, the invasive electrodes can directly collect the activity signals of the cerebral cortex, and the calculation task is handed over to the supercomputer, look at it this way...... The gradual siliconization of carbon-based organisms is the way to fight against angels. ”

"If there is a day when humanity can overcome all the angels." Bai Shu said, "What could be sitting in the cockpit of the giant machine?" ”

"That's a good question." Shang Lu leaned forward and pushed the thick giant machine maintenance manual, and the dictionary-like manual slid to the center of the table, "All my knowledge comes from this book, but this book doesn't give an answer. ”

"It's scary to think about, a few years later, when we open the cockpit canopy of the giant machine, there is a wriggling cyborg brain filled with wires and cables." Bai Shu shuddered, "I hope it doesn't be like that, I prefer to open the hatch and see a beautiful sister." ”

But we're heading towards that future, girl.

Shang Lu said in his heart.

He recalls the projects he had worked on in automation, and before coming to 151, he thought they would stay in the lab permanently as a technical reserve.

If the victorious angels had to abandon their human identity and become a weapon of wisdom, thought, and consciousness, would that be the right path?

Can that still be called a victory for humanity?

"They're back!" Bai Shu suddenly got up, exclaimed, and threw himself in front of the observation window, "Red Lotus is back!" ”

Shang Lu got up and was pulled by the cable on his helmet, he took off his helmet and threw it on the seat, and also threw himself in front of the observation window to look.

The vertical transfer gate of the 110 workshop cave was slowly moving open, and Shang Lu and Bai Shu were taken aback at the same time, and the latter raised his hand to cover his mouth.

The red lotus standing on the moving platform was covered in mud and mutilated, her left arm and shoulder had been neatly shaved off, and she didn't know where it fell, and the cut surface was solidified with black molten metal, like a scab on a wound.

The giant machine slowly moved back into place, the working surface surrounded and wrapped the red lotus, the workers of the maintenance team came out from all directions, and Shang Lu saw the dirty white coat standing on the highest working surface.

"Was the mission successful?" Bai Shu turned his head and saw that Shang Lu was gone.

Shang Lu had already picked up his helmet and went out.

"Hey! Ay...... Shang Lu, you wait for me! ”

Shang Lu left the workshop, ran through a straight passage, and slapped the elevator hard, but the elevator could not come up on the ground floor for a while and a half, so he had to turn around and take the stairs.

In the narrow stairwell spiraling all the way down, from the eleventh floor to the first floor, Shang Lu ran down in one breath, and then hurried through a special path for workers.

The trail leads directly to the side gate of workshop 110, which is a very narrow tunnel, and the workers and cadres in the workshop often commute from here, which is not only convenient, but also because there is a toilet on the road.

Shang Lu suddenly braked suddenly, and almost fell.

The young girl stood at the door of the women's bathroom, bending over the wall with her hands, still wearing the bloated and heavy force response control system, and her short black hair was wet, as if she had just washed her head, and the ends of her hair were dripping water.

She turned her head and glanced at the visitor with a tired gaze.

"Shen ......" Shang Lu wanted to call out her name, but he couldn't speak.

Not only because of the bright red nosebleed on the girl's pale face, but also because of her strange and indifferent gaze.

At that moment, Shang Lu was intuitively sure in her heart that she didn't know herself.

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Old man Ji put his hands in the pockets of his white coat, his brows furrowed high, and he could put down a table.

His gaze shifted from Red Lotus's head to his chest, then to his shoulder, and finally to his left shoulder, which had been sliced open, and the red thread of the Lighthouse Angel had made a huge opening in the giant machine, cutting off most of the shoulder joints and two arms, which were still outside and had not been picked up.

Half of the shield was picked up, and it was very evenly centered and cut in half, and the most heat-resistant material in human history, pentacarbide tetratantalum hafnium, was destroyed in the first second of meeting the enemy.

Old man Ji said that it can resist the direct jet of 4,000 degrees Celsius for at least ten minutes, and this shield did show very excellent performance during the 151 test, and the high-energy laser could not be fired directly at close range, and the old man Ji confidently sent it to the battlefield, but it did not earn back any face.

You struggled so much, you were cut down without even struggling, don't I want to lose face?

Five carbide and four tantalum hafnium are the same as a piece of paper in front of the lighthouse angel, which is completely inconsistent with theoretical predictions.

Old man Ji wondered, what was going on?