Did the world end today?

Chapter 189 Rejuvenation Yoga Mat and Enlightenment
On the other side, Nanjing.

After leaving the operations command center, Lin Xu immediately found Zhang Liming.

It was only a little past eight o'clock in the evening, and Zhang Liming had already gone to bed.

It's just lying on a yoga mat.

Even when Lin Xu knocked and entered, he hadn't gotten up yet. He could only lie in an odd sleeping position, barely managing to lift his head and say to Lin Xu:

"Mr. Lin, please wait a moment, I'll get up right away."

At this moment, Zhang Liming's legs were curled up like a toad's, and his hands were placed on his stomach, looking like a kind of Taoist health-preserving sleeping posture.

What is this?
Yoga?
Lin Xu looked at him curiously, vaguely recalling that this seemed to be a popular sleeping posture on the internet.

What's coming?

"Rejuvenation Bed?"

Lin Xu blurted out, and Zhang Liming sat up, amused, and said:
"The so-called 'resurrection posture' is just something made up by internet celebrities to piggyback on the popularity of Taoism."

“My legs are uncomfortable, and curling up like this helps relax the muscles, similar to stretching after exercise—but stretching while standing is too tiring, so I choose to lie down.”

What lazy dog?!

Lin Xu was also speechless. Seeing that Zhang Liming had already sat up, he immediately asked:
Do you think it's possible that the development of our world could be locked down by some kind of physical anomaly?

"Is it locked by an anomaly in the laws of physics?"

Zhang Liming was stunned for a moment.

He rubbed his slightly numb calves as he answered:

"Our world cannot be locked down by anomalies."

“The essence of anomalies is ‘irregularity’, but ‘irregularity’ will not lock us down. The only thing that can truly lock us down is regularity.”

"Honestly, if there were real evidence to prove that the laws of physics are 'irregular', I reckon the entire academic community would be ecstatic."

"Just the 'irregularity' alone could lead to countless published papers. You know, that's like opening a whole new door!"

As soon as he finished speaking, Lin Xu stared in disbelief.

It won't be locked out by irregular patterns, but it can be locked out by regular patterns.
It's only 2025 now!
But Zhang Liming has made the exact same judgment he would have made four years later!

The key point is that he said it so casually!
He didn't act like this back then!
What's going on?

Has he attained enlightenment ahead of time?

Seeing Lin Xu's surprised expression, Zhang Liming waved his hand and said:
"Mr. Lin, you don't need to be so surprised."

"Didn't you already confirm that the universe is not flat?"

"Since the universe is not flat, how can its laws be flat?"

"And now, most of the patterns we see are flat, and that's the problem."

"Actually, I think most scholars who have mastered information related to high-dimensional channels have already realized this problem. I am not the only one who would put forward this view."

indeed.

This is indeed a very simple deduction.

The reason why scholars in the world of fitness trackers haven't realized this problem is most likely because...
They had never seen that "uneven" universe, nor did they have a "butterfly" to confirm its unevenness.

Thinking of this, Lin Xu instantly relaxed a bit.

The unknown is the most terrifying thing. If you don't know whether the enemy exists or not, you won't even have the chance to face him.

But once the enemy is identified, even if it's just a hypothetical one, the subsequent "battles" become much simpler.

Lin Xu sat down on the sofa opposite Zhang Liming, and then continued to ask:

"It would be good if you could think of it that way."

"I'm not afraid to tell you, in another world, you might die because of this problem."

"How can it be!"

Zhang Liming immediately shook his head.

“I’m definitely affected by that Mnemosyne technology—normally I’m not that fragile.”

"That's true."

Looking at Zhang Liming's calm and composed expression, Lin Xu couldn't help but admire his strong mentality.

In some ways, he was even more resilient than Bai Mo, and on par with Jiang Xingye.

So is Taoism really that magical?

Um.
As a guiding philosophy, this thing is actually quite reliable.

After a slight pause, Lin Xu continued to ask:

"Then let's ignore that issue and get straight to the point."

"Suppose we now confirm that there is some factor that is limiting our continued development, what do you think is most likely that factor?"

"do not know."

Zhang Liming shook his head frankly.

"Mr. Lin, your question is a bit too much to ask."

"Right now, I lack experiments, data, and clues. Where am I supposed to come up with this idea for you?"

"Do you think this is science fiction? You can just come up with a concept on a slap in your head?"

Lin Xu was both amused and exasperated.

Should I say you're meticulous, or should I say you're reckless?
What time is it? The situation is critical. The Americans have already detonated their nuclear bombs in geosynchronous orbit, and you still look so calm and collected.

Bro, it's time to get moving!

However, the issue of direction is indeed a rather serious problem.

Without direction, you won't even know where to begin your research.

Lin Xu pondered in silence for a moment, and then a sentence suddenly popped into his mind.

"AdS/CFT duality is reversible."

He opened his mouth and said:
"Is this possible, or is it the key factor that has locked down our technology?"

"what?"

Now it was Zhang Liming's turn to be dumbfounded.

"How could this be a key factor?"

Why not?

Both of them were completely confused. Lin Xu didn't understand why it couldn't be done, and Zhang Liming didn't understand why Lin Xu thought it could be done.

After an awkward silence, Zhang Liming spoke:
"AdS/CFT duality is inherently strictly reversible in physics."

"Otherwise, why would people call it a pair?"

In an instant, Lin Xu felt as if he had been struck by lightning.

When I first saw this sentence, I thought it was the key to solving the problem.

But now it seems like this is just a very ordinary statement in the document?
and many more.

its not right.

If it's just a simple argument, why would it appear in the most core document?

At almost the same time, Zhang Liming also discovered the problem.

He sat up straight, and his expression became serious.

"Mr. Lin, where did you see this sentence?"

Lin Xu didn't hide anything and answered directly:

"In another world."

"The world 20 years from now."

"The people there have discovered the 'lock' that has locked down the technological development of the human world. During their exploration, they left behind this sentence."

"AdS/CFT duality is likely to be reversible."

"Very likely??"

Zhang Liming's expression became even more serious.

"You mean, they said 'very likely'?"

"That's right!"

Lin Xu nodded emphatically.

He knew what Zhang Liming meant by asking that question.

If "AdS/CFT duality is invertible" is a fundamental theorem, then why did the people in that world add the word "possibly" to this condition?
what does this mean?
Zhang Liming across from him had already stood up. He paced aimlessly around the living room, not even noticing his shoes stepping onto the yoga mat.

"The possibility that AdS/CFT duality may be reversible is very intriguing."

"There are two possibilities to explain this wording."

"Either they discovered evidence at some point that was sufficient to overturn the AdS/CFT duality theory and modified the theory."

"Or, their so-called 'reversibility' is not the same as our current understanding of reversibility."

"It's a matter of word choice."

"The first possibility is very, very low, and can even be basically ruled out."

"If it were me, I definitely wouldn't have phrased it that way."

"The second possibility is relatively more likely."

"But what exactly do they mean by 'reversible'?"

Zhang Liming muttered to himself as he sat cross-legged on the yoga mat, seemingly ignoring Lin Xu beside him and completely lost in his own thoughts.

Lin Xu's brain was also spinning rapidly.

What will lock down humanity is not "irregularity," but "regularity."

Where does this pattern come from?
In front of him, Zhang Liming's voice first grew louder and louder, then grew softer and softer.

"If a world is too regular, it will seem like it was designed."

"But if a world is too irregular, it becomes completely unstable."

"There must be some kind of boundary in this world."

"Information entropy is conserved at the boundary; there needs to be an invisible threshold between regularity and irregularity."

"This invisible threshold defines the boundary between regularity and irregularity."

"No, no!"

"The Tao begins in emptiness and mist, from which the universe arises, and from the universe comes life. Then chaos ensues."

"AdS/CFT is dually invertible. The invertibility is not in theory, but in phenomenon!"

"AdS/CFT Dual Projection"

"M-theory floating membrane"

"Near Higher Dimensions.bulk3brane"

His account has descended into complete confusion.

Even Lin Xu, a complete novice, vaguely sensed that he was trying to find the main thread of order amidst the chaos.

"Information from bulk can be projected onto the boundary of the three-dimensional membrane, and information from the boundary of the three-dimensional membrane can also be projected onto bulk."

"This is reversible. But it's not the reversible thing they'll be talking about 20 years from now."

"What they mean by reversibility is that after the information is projected, the same information is projected back!"

"and many more."

"Wait, the boundary between regularity and irregularity."

Zhang Liming suddenly looked up.

At this moment, he was drenched in sweat.

The processor is overheating.

But he has already gotten the result!
"AdS/CFT dual invertibility does not refer to mathematical invertibility."

He opened his mouth and said:
"It is the reversibility of the phenomenon and the reversibility of the process."

"What do you mean?"

Lin Xu asked impatiently:
What does "reversible phenomenon" mean?

Zhang Liming stood up and casually wiped the sweat from his brow.

Then he began to speak:
"What I'm about to say is not supported by any experiments, and I haven't found any data to support it yet."

"But I think it's very likely that's true."

"Mr. Lin, I want to tell you a story."

"A very simple story."

"You said."

Lin Xu's hands began to tremble without him realizing it.

He realized that this incredibly important question might very well be answered today.

It was just one sentence.

No, it's just the word "maybe".

Zhang Liming attained enlightenment right there in his cramped, temporary living room.
Zhang Liming sat down on the sofa again.

Then, he said in a deep voice:

"Our universe has a wall."

"Or to be more precise, it is a filter wall with a 'filtration system' installed."

"Imagine our universe as a pond—the water in this pond is very clear."

"But of course, it's not always this clear."

“Some of the big movements we make in the pond could very well muddy the water.”

"Of course, none of our current actions have yet managed to completely muddy the waters of this pool."

"So we can't even feel the existence of the filter - those little bit of turbidity will settle down on their own in just a few seconds."

"However, one day, when we make a big enough splash, the pond will become muddy enough that we can see it clearly."

"This is what is called 'irregularity'."

"clear."

Lin Xu nodded.

Zhang Liming explained it in a simple and easy-to-understand way, so even someone like Lin Xu with a weak foundation in the subject could easily comprehend it.

After a pause, Zhang Liming continued:
"But here's the problem."

“The edge of our pond is a wall fitted with filters.”

"These filters are constantly working, sucking up the turbid water and spitting out the clean water."

"This is what is known as AdS/CFT dual invertibility."

"Reversibility does not mean that the water in the pond can overflow to the outside, or that the water outside can flow into the pond."

"In other words, the water in the pond, after entering the outside world, will be filtered and flow back in!"

As soon as he finished speaking, Lin Xu suddenly stood up.

But then, almost instinctively, he asked:

"But does this mean that the theorem of information entropy conservation at the boundary has been broken?"

"Then you need to define where the boundary is first."

Zhang Liming shook his head and said:

"Now that higher-dimensional channels have emerged, do you think traditional 'boundary theory' still has any meaning?"

Inspiring and enlightening.

Lin Xu was still in a daze.

At this point, Zhang Liming continued speaking.

"So, specifically at the theoretical level, this wall, this filter..."

"That's how it should work."

"Any physical phenomenon involving an energy scale greater than a certain threshold, or a complexity exceeding a preset value, will have its original information filtered as it passes through the filter."

"First, truncation. The high-energy portion is directly absorbed or scattered into other dimensions."

"Second, dimensionality reduction and remapping. Forcefully projecting the phenomenon back to the standard model—or a simplified model framework that is slightly above the current situation but far below the truth, and contains interpretable, low-energy, low-complexity signals."

"Third, inject noise. Add background noise or interference patterns that conform to known physical laws, are aesthetically pleasing but contain no information, and perfectly mask the anomaly."

"That's fucking terrible."

Zhang Liming rarely used a vulgar language.

"What the hell? Isn't this just a giant filter?"

(End of this chapter)