Since the 20th century, mankind has spent a hundred years detecting and listening to the electromagnetic wave signals of the entire universe, hoping to find evidence of extraterrestrial life, but more than a hundred years have passed, and human beings still have not found definitive evidence of extraterrestrial life. Pen @ fun @ pavilion wWw. ｂｉｑUｇE。 infoIn the entire universe, the Milky Way alone has 200 billion stars, and there are several times as many planets.

In the tens of billions of years since the birth of the universe, it stands to reason that there should be a lot of life planets like the earth, why did human beings spend a hundred years and did not find extraterrestrial life planets?

Quite simply, if the history of mankind is placed on the cosmic scale of tens of billions of years, then it is too insignificant.

Suppose there are 200 people in a square, each of whom represents a corresponding planet of life, then a person only has time to blink an eye, if two people blink together at the same time and see each other, it means that two civilizations have discovered each other.

Now the question is, under the premise of not being able to speak and not being able to convey information, who can be sure that they can look at another person at close range in the blink of an eye?

On the time scale of the universe, the rise and fall of human beings from birth to death is just a blink of an eye, and it is too unlikely that they will be in the same period of development or even the same period of survival as another extraterrestrial civilization so coincidentally.

These extraterrestrial beings with snake scales stared at Lu Yuan with their four pairs of eyes without blinking, and the high-frequency sound that came out of nowhere was ...... very regularly Seem to be exchanging information with each other?

The two sides are obviously unable to communicate, Lu Yuan has confirmed this, just each other's articulation organs are very different, it is estimated that the most fortunate thing is that the other party can reduce the frequency of sound waves, etc., why does the other party reduce the frequency of sound waves?

Lu Yuan was stunned for a moment, and suddenly sensed that something was wrong.

Suppose that humans stumbled upon extraterrestrial life, would they have consciously turned up their own sound frequencies in such a short period of time?

Soon, Lu Yuan understood why the other party would do this.

A human came from outside alone.

Lu Yuan only felt that if he could see any deformed alien creatures here, he would not be too surprised, but could easily accept it...... But he wasn't ready to meet another human here.

Are you kidding?

This is a star field that is not many light years away from the Earth, and there are humans here?

After a trance, Lu Yuan immediately focused his gaze on the human being walking on the opposite side.

"Huh?"

With this concentration, he discovered the difference between the human and the human.

The man's hands were obviously much longer, almost perpendicular to the calves, and the shoulders were much wider than normal, the chin was slightly larger, and the bridge of the nose was too long. But in any case, even if this person is placed on the earth, at most it will only make people feel that he is a deformed child who grew up, a bit of an atavistic phenomenon, but no one will deny that he is a human being.

Why do you encounter humans here?

Is this a human who came here from Earth before him, or is it ...... Confirming the ridiculous speculation of a certain minority, that humanity is from an extraterrestrial?

This ridiculous speculation is almost not believed by many people, and it is reliable to say that life on Earth came from extraterrestrial meteorites, but to say that human beings came from extraterrestrial is an unreliable speculation.

The man walked up to Lu Yuan and stopped, looking at Lu Yuan, who was naked, with extremely humane eyes.

After the particle recombination, Lu Yuan has long been without clothes, and it is very normal not to have a strand of clothes, not to mention that at this moment, he will not be ashamed and embarrassed to face a few extraterrestrial life, even if he is facing a human being.

As a human being, he has evolved into another kind of life, and he has only some thoughts and feelings, and physical appearance.

The man's mouth opened slightly, and the frequency of the sound waves was not much different from what a normal person could say, but it was a language that Lu Yuan had never heard of before, no wonder those mechanical steel spiders before would reduce the frequency of the sound waves, maybe they regarded him as the same kind of this person.

Lu Yuan thought about it, and before the other party thought that he couldn't make a sound, he said, "Can you understand what I said?" ”

He said back and forth in Chinese, English, Russian, Japanese, German, and Spanish, and the other party showed that extremely puzzled expression, which also showed that he could not understand what Lu Yuan said.

This is normal.

If the other party could understand, Lu Yuan would really be a hell of a ghost.

Human beings can be divided into three categories for deciphering unknown languages.

The first type is to record known words with unknown symbols; The second type is the use of known symbols to record the writing of unknown languages; The third category records unknown languages with unknown symbols.

Needless to say, the third type of unknown vs. unknown is definitely terrifyingly difficult to crack.

And the above three types are all based on the environment of the earth, based on the fact that different national civilizations are all humans, if it is extraterrestrial lifeforms, such as these snake scale creatures, even the pronunciation organs are different, then the difficulty of deciphering the other party's language will rise.

Fortunately, this "strange human" who suddenly appeared, although it has a slightly weird appearance, has the same articulation organs as ordinary humans, which shows that there is still the possibility of deciphering the other party's language.

The man seemed to have a high position in this group of extraterrestrial beings, and with a wave of his long and excessively large right hand, the three mechanical steel spiders moved away, finally not aiming their weapons at Lu Yuan.

Unlike Lu Yuan, who was not in a strand of light, this person was wearing a piece of clothing of unknown material, which looked like a leather coat, but with a little metallic luster, which did not hinder the person's movement in the slightest.

"What do you mean?"

Seeing this guy who seemed to be human, he pointed to the outside and walked out.

Lu Yuan thought about it, followed him closely, and followed this guy outside, and saw what he said to those snake scale lifeforms, and those snake scale lifeforms stood aside.

Although the sunlight outside is not strong, it is much better than the darkness inside a deserted building.

Suspicious of a human, it fiddled with the items of a metal storage box, and after a while, it took out a black "can", and brought it to Lu Yuan, making a strange sound in his mouth.

What are you doing here?

Lu Yuan didn't know why, frowned and took the black "can", not figuring out what the use of this metal object that seemed to be a "can" was.

He simply shook his head, and regardless of whether the other party could understand it or not, he handed the "can" back, casually glanced around, picked up stones around him, and began to place them on the sand.

It's okay if you don't understand each other's languages, and if there is one language, it must be common to the whole universe.

The language of mathematics, of course.

Lu Yuan first used one stone to represent the number 1, then two stones to represent the number 2, and so on to the number 10.

As soon as he finished swinging, he looked back and saw that the guy who seemed to be a human was elated, as if he also understood what Lu Yuan was planning to do.

1+1=2, this numerical calculation method of elementary mathematics, may have a related concept hundreds of thousands of years ago, and the most common place value of human beings is the decimal system, Lu Yuan used stones as the most simple and clear number, and then wrote the corresponding Arabic numerals below, and finally came up with the decimal counting method.

This guy looks like a monkey.

As soon as Lu Yuan turned around again, he saw that this guy who was suspected of being a human was "scratching his ears and cheeks", wasn't he very similar to a monkey?

In particular, this guy's arms are too long, and he can do movements that are impossible for humans to do at will, and it seems that the dexterity of his hands is also beyond that of normal humans.

"Huh?"

Just after Lu Yuan made a corresponding demonstration, this guy also squatted on the ground and used his fingers and stones to learn how to land Lu Yuan and put it up.

Numbers 1 to 3, the other party uses a point, two points, three points to represent, and from 4, the other party uses the usage of two points and one horizontal in the three points, to the number 6 is a triangle, and the number 7 is counted from a circle......

"Fifteen?"

Lu Yuan quickly understood the other party's number system, which was actually a 15-digit base decimal system that is rarely used by human beings!

15 is the coopetition of prime numbers 3 and 5, and correspondingly it is also the coopetition of ternary and quintal, so the decimal system retains the factor of ternary and pentary, and the progression of each state of the decimal system has traces of the ternary and quintal factor, and its quotient exists in the infinite loop of the factor of the decimal decimal 3 and 6 and the factor of the finite decimal 2, 4, 6 and 8 of the pentatile.

But this was not the reason that surprised Lu Yuan.

The other party simply drew the double helix structure of RNA and DNA, and pointed to himself, and drew a more complex pattern of double helix and double intersection, and pointed to those snake scale lifeforms.

"I see."

Lu Yuan nodded slightly.

The pentadecimal system is a complex of the ternary simple two-factor 3 and 6 helices and the pentatile simple four-factor 2, 4, 6, and 8 helices, while the origin of life ribonucleic acid and deoxyribonucleic acid are both double helix structures, and DNA is composed of four bases, and there is a correlation between the combination of ternary and quadruple.

This guy is certainly not simply using the decimal system, but is showing that the decimal system they use has something to do with the structure of their lives.

The two sides used this way to communicate, and Lu Yuan couldn't help but realize that although the two sides were completely different in language, but the similar pronunciation methods and face-to-face corroborative communication, it may not be impossible to learn the other party's language.

But then again, this kind of writing and communication on the sand is too inefficient.

Lu Yuan looked left and right, since the other party can make mechanical spiders, there should be a better communication platform, right?

(To be continued.) )