Vol 3 Chapter 2027: Half-life calendar

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For the human race, having a "calendar" is a natural thing.
The human race has an innate biological clock, and this biological clock is completely consistent with the rotation of the planet-perhaps for living creatures on the surface, such rhythm is more conducive to foraging. Or vice versa, their foraging behavior has formed a screening mechanism during the evolution. In short, when people evolved the advanced entertainment function of "consciousness", the "rhythm" they had was already bound to the change of day and night.
This is also the most natural time unit-"day", "day".
In addition, the "month" resulting from changes in satellite shadows, and the "seasons" and "years" due to the frequent changes in sunshine due to the intersection of yellow and red are very natural units.
The only problem is that several types of units do not bite well. For example, a stellar year in China has about 365 and one-third days, and a stellar moon and a round moon phase change have two and seven-fifth days.
Unless someone is willing to live a calendar of 13.33327 months a year and 27.4 days per month, otherwise the natural lunar calendar and solar calendar are mixed by methods.
This is obviously counterintuitive. The pure lunar calendar is also difficult to use to guide agriculture and mulberry. The pure solar calendar is difficult to correspond to the month.
It is only in the long history of the Divine Race that the great invention of "Yin and Yang calendar" was developed.
That is to say, the concept of "30 days a month" is a matter of course for today's human race. In the past, it was not so taken for granted. It is self-evident.
Shenzhou also has "natural rhythm", "stars", and "the only satellite" to specify the calendar, which is really unique.
Among the species that have been recorded, Tianju, where the family is located, has two moons, and the lunar phase change is complicated to an outrageous degree. Strictly speaking, a complete lunar phase cycle change is even more than a local stellar year It's still longer, so the Yu people can't understand the concept of "monthly".
The hills are even worse. The hills are covered by the powerful gangue created by the mysterious powerhouse Black Star. The entire planet is invisible, and there is no change in the sun, moon and stars.
And they can only use their own natural rhythms-sleep and wake up, development, reproduction, etc., as their own calendar.
According to Wang Qi's understanding, the True Flame God also specified the calendar in this way. The stars are too bright, so observing the stars is very difficult for them. Although their light perception is wide, they are not as sensitive as the human race-after all, the environment is so bright, too sensitive is equivalent to daily allergies.
Therefore, they hardly see the stars.
Without a reference, even if the star would rotate, they could not specify the rhythm based on this.
On the other hand, the True Flame God does not have a "sleep" state, so they do not have the concept of "waking up" like the people of the hills.
In theory, the Ming people should be almost right.
"According to my personal experience, this ... I do n’t know how to read it, which is equivalent to a day and a half. It is not a sleepy and sober time for the Ming people. They do have the concept of" resting ", but they are not like us A clear rhythm. "Wang Qi stood up with a carp and stood up:" Actually it hardly conforms to any biological rhythm of the Ming clan ... "
Bai Jizhen thought for a moment: "In other words, did all three of us choose positive incarnations?"
Ke Like nodded thoughtfully: "It makes sense."
Wang Qi was shocked: "What do you mean?"
"It may be the female's physiological cycle." Ke Like explained.
According to the classification concept of "yin and yang gender" by the ancestors in the past, the positive is "providing half of the variable sex", while the negative is "providing the of all other structures". This means that the negative female wants to complete the birth, it must prepare a thing with a life structure.
For organisms with cell structure, it is "female gametes" and "eggs".
Negative gametes are more complex than positive ones and are more troublesome to breed. This is because, in addition to the "half of the variables" possessed by the positive gametes, the negative gametes also have the basic "structure" of life. Negative individuals of many species need a specific time to conceive negative gametes.
"The cycle of fertility once a day and a half, is this too short?" Wang Qi blinked: "According to the Yin-Yang strategy [KR theory], it is almost impossible for this kind of organism that relies on rapid reproduction to evolve intelligence. Because of" rapid reproduction " With "Linghui", one is Yin policy and the other is Yang policy. If such a creature happens to evolve intelligence and get rid of the original natural selection, then its number will swell to the point where the environment cannot hold it in a very short time. ... "
Ke Like nodded again: "Indeed, I am aware of the day and night monitoring, and I have not seen Ming people around. If it is said that a small group of Ming people are ascetic individuals, it is better not to engage in that matter, but it is not normal to have no one. . "
Bai Jizhen whispered: "Senior, that kind of species that feels comfortable with that thing is actually not the mainstream ..."
"Isn't it considering whether their physiological cycle is only one and a half days?" Ke Like looked at Wang Qi: "What else do you find?"
Wang Qi nodded: "Really there are. These are the two most commonly used units of practice. On top of this, there is another unit that is roughly equivalent to the" year ". According to my estimation, the time is about 270. day."
Bai Jizhen nodded: "Two hundred and seventy days divided by forty-five days is really exhaustive. Ingeniously, six months a year, the design feels very strong."
"However, when describing the monks' Shouyuan, they usually use another unit of time, which I calculated, which is equivalent to about 1,600 years."
Even if the people of fire follow the normal Yuanying method, Shouyuan will be much shorter than the people of the same level. The low-level monks have only a few hundred years of life, and the high-level monks have thousands of years. It is appropriate to describe this length in units of time approximately equal to 1,600 years.
"One thousand six hundred years?" Ke Like muttered: "This figure is a bit familiar ..."
"And I asked them what time they used to describe their own world." Wang Qi said: "In the world view of the Ming nationality, after a long period of time, Guangming will exhaust its own power. But it is really exhausted. Yes, in fact, it is just a part of the obvious. "Light" is a metaphysical concept for them, and what they are exposed to in the ordinary day is the appearance of this metaphysical object in the present world. And their concept This time is probably 1.4 billion and 7.7 million years. "
Bai Jizhen stunned: "This number ...... Why is it so specific?"
"They don't have the concept of" year ". In their eyes, this is a complete unit of time."
"1.4 billion and 7.7 million years can be forty-five days or two hundred and seventy days ... cannot be divisible ..." Bai Jizhen said: "This ... is it neurotic?"
"Then they have a smaller unit of time that describes daily movements, which is equivalent to one and a half minutes and twenty-three minutes."
Bai Jizhen was even more puzzled: "This time unit ..."
Ke Like suddenly said: "The half-life of radium-to be exact, the half-life of radium 226, which is 1,600 years! Radium is a radioactive metal with a high abundance of elements!"
He remembered suddenly. For him, Mrs. Ma Juli is considered to be the last generation of the previous generation, but in his era of enlightenment, the theory of Tai Tianzun caused some people to refocus on radioactive elements, and the relevant scientific research value of radioisotopes was almost mentioned in that era .
Before devoting himself to Tianlingling, he was a disciple of Nianji Temple and was very sensitive to this.
Wang Qi applauded: "In fact, I haven't been able to determine the previous time units, but they describe the time unit in the world ..."
Baiji Zhenlen said: "But are there radioactive elements with a half-life of 1.4 billion and 7.7 million years?"
Wang Qi reminded: "Try to divide it by two?"
"Seven hundred million has three hundred and eighty-five thousand ..." Bai Jizhen pondered for a moment: "The familiar figure is that ... it's that ..."
"Half life of uranium two three five." Wang Qi embraced his chest with both hands and shook his head. Uranium 235 is the one with the highest abundance and reserves of natural isotopes of uranium. On Earth, anyone who knows "nuclear weapons" has basically heard of its name.
However, Sky Sword directly skipped fission, but instead became the foundation of fusion.
After all, the abundance of hydrogen is really far superior to that of uranium. In other words, in the universe, if all other elements are added together, the element abundance is not as good as that of hydrogen.
Uranium 235 has no strategic position in this world.
"So, eighteen hours, forty-five days and two hundred and seventy days are ..."
"This is not a common isotope." Ke Like thought for a moment: "Nickel 57, iron 59, cobalt 57 ... ah!"
Under normal circumstances, these three elements of iron, cobalt and nickel are not radioactive. Because the most common iron, cobalt, and nickel, namely iron five or six, cobalt five nine, and nickel five eight, are stable isotopes and do not possess radioactivity.
"However, the iron, cobalt and nickel that the Ming people can face are not mineable from surface ores." Wang Qi said: "If I remember correctly, these three elements happen to be the main components of the earth's core. On the other hand, radioactive metals are easy to deposit due to their relatively large mass. Coupled with the high pressure underground, fission occurs naturally, and there are indeed three rare isotopes. "
Bai Jizhen was shocked: "I ... this ... they don't even have the concept of 'mass', but they can still recognize the isotope and half-life? How is this possible?"
Wang Qi spread his hand: "I don't know, but their few time units, the smaller ones are okay, the larger ones, it is difficult to divide each other. Apart from this set, I can't think of any other Inner contact. "
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