On the way home by car, Fang Yuan has been thinking about the conversation with Fu Wenhe just now.

A picture of civilization struggling for survival in the apocalypse came to mind.

Perhaps in the next twenty years, mankind will face the same situation and face the same choices.

Do everything possible to keep the evidence that civilization once existed in the world.

Fang Yuan thought, pressing the glass ball in his hand, slowly rolling on the table.

“What are you thinking?” When Han Youwei saw that he was thinking, he moved closer and asked in a low voice.

“Nothing, I was thinking about the topic discussed with Professor Fu Wenhe.” Fang Yuan answered casually.

“Let’s talk about it, let’s think about it together, maybe there will be a different harvest.” Han Youwei said with a smile.

“I’m thinking, if there has ever existed a civilization on the terrestrial planets in the asteroid belt, before their civilization is destroyed, they must want to leave something.” Fang Yuan sighed. Tao.

“Indeed, if civilization cannot continue, always leave something and so on.” Han Youwei nodded.

Niu Dazhi interjected: “If it were me, I would shoot a lot of videos and store them in the hard drive. In the future, if someone finds the hard drive I left behind, they can see my unruly image.”

Eve held his cheeks, rolled his eyes and said: “The time scale of the universe is hundreds of thousands of years. If other civilizations have discovered your hard drive, it is also a piece of scrap iron.”

“Then say, How to save it?” Niu Dazhi went back to the subject.

“Nothing can store information for that long, dozens, millions of years, or even hundreds of millions of years. No matter can be stored for so long without deformation.” Eve waved his hand.

“Yes. No matter can be preserved forever.” Fang Yuan agreed.

Han Youwei pondered: “If there is something that can be preserved forever, I think there is probably only life.”

“Life is more impossible, right? What life can exist Hundreds of millions of years?” Niu Dazhi shook his head in doubt.

Eve reached out and hooked Han Youwei’s arm, and said, “Youwei is right. If something can be preserved for hundreds of millions of years, there is only life, a continuous life.”

“I read less, so just lie to me.” Niu Dazhi still questioned.

“You just read less, do you know how long Xiong Ba’s life lasted on Earth?”

Eve didn’t wait for him to answer, and continued: “The giant panda has survived on Earth There are 8 million years. Look at 8 million years ago, there were giant pandas. Isn’t this the power of life? It can last as long as 8 million years.

“There are also Chinese sturgeons, more than 100 million It appeared on Earth years ago, this is a living fossil.

“There is something more powerful, the ginkgo tree. The ginkgo tree appeared on Earth 270 million years ago.

“What kind of hard drive, how can you save it? Long? The one that can last the longest in the universe is of course life. “

Fang Yuan listened to the views of Han Youwei and Eve, and suddenly eyes shined: “Yes. If a civilization wants to record history and culture, it is useless to use any material. Perhaps life is the longest way to preserve information. “

“What? What are you thinking? Niu Dazhi blinked his eyes. He was stunned by Eve just now. After hearing Fang Yuan’s words, he was even more stunned.

Han Youwei surprisedly said: “You mean…”

Fang Yuan raised the glass ball in his hand and said: “If the microbes in it come from the civilization of the asteroid belt, maybe something can be found in these microbes. “

“You mean, that civilization might store information in microorganisms? “Han Youwei immediately understood what it meant.

Niu Dazhi scratched his scalp and said, “What do you think?” Microbes are not Semiconductors, how to save information? “

Eve squinted at him and said, “Your biology must be taught by the Sports Teacher.” “

Fang Yuan thought of this possibility and immediately copied the “base scalpel”. Through the observation ability attached to this ability, he began to observe the microstructure inside the microorganism.

The structure of is just scanned, and then the attention is focused on the gene sequence.

Gene is composed of a double helix structure of base sequences, which can be simply regarded as a quaternary code.

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If there is sufficiently powerful genetic technology, it is entirely possible to record information in these base sequences.

As for changing the base sequence of organisms, will it lead to biological mutation? .

Mutation is possible, but the problem will not be too big.

98% of human genes are redundant, that is, no expression occurs. Yes.

Therefore, most base sequences do not affect organisms.

As long as the genetic technology is strong enough, it is possible to record information in the base sequence of biological genes instead of It affects the survival of organisms.

Therefore, there may indeed be information in the gene fragments of these microorganisms.

Of course, this is just a whim of Fang Yuan. Verification works.

Fang Yuan started to observe the base sequence of microorganisms with ability and tried to find some rules from it.

However, even if the genes of these microorganisms really contain Information, normal people are impossible. Look at the content of the information directly from the base sequence.

First of all.

If the base sequence contains information, it should be quaternary , Which is completely different from the binary codes used by humans.

Secondly, even if you really see the coding of these base sequences, the language of humans and the language of asteroid belt civilizations are different, even if the Information codes, I don’t know what these codes mean.

However, Fang Yuan is still observing carefully. The purpose is not to see what information is written in these base sequences, but to find out the possible existence Information encoding.

I can’t see the content of the encoding, but it is still possible to see some patterns.

If the recorded information is encoded manually, it has specific characteristics.

Look carefully at this point, it is possible to see it.

For example, when some specific coding sequences appear continuously, these all are obvious characteristics.

Fang Yuan Look carefully, watch, eyes suddenly light up, and there is a hint of surprise on his face.

Han Youwei saw this expression on Fang Yuan’s face, his heart beating pēng pēng pēng and asked Said: “Is there really? “

“Wait a minute, not sure yet. “

Fang Yuan just saw a segment that looked like a man-made recording, but he was not sure yet and needed to continue searching.

The search method is also very simple, look for the same code Sequence, if you can find multiple segments that are the same, then it can basically prove that this is the encoded information recorded by the intelligent life.

Fang Yuan continued to search, two minutes later, he found the second stage, and then the third stage. , Fourth stage.

When he found the same coded fragment of the fourth stage, Fang Yuan knew that he should have discovered something extraordinary.


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