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Chapter 272

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    "If there is an instrument for measuring the years of day, there must be the same thing for measuring the years of night."

    Every time Dayi sees the sundial, he thinks in his mind that there must be something corresponding to the sundial. The sun gives birth to the day, and the moon shines through the night, but the moon does not necessarily appear as many times as the sun.  It is measured with stars.

    "How do you rely on the stars to determine the time of the year?"

    Concubine Zai is very curious. Regarding the stargazing in ancient times, later generations will not be able to learn it without any skills, and there are sixteen gods and men who are good at watching small stars at night. How long will it be better not to ask for advice at this time?

    And they actually have the spectacle "Stonehenge"!

    Unlock the technology calendar, +5 faith, goodbye.

    This thing seems to buy a great man!

    In fact, it is called Stonehenge, but it is actually the big stone house where the Erba Gods live during the day, because it is arranged around the sacrificial flames according to certain rules, so when the Erba Gods describe themselves, Yu Zai will think of Stonehenge.  stuff.

    Yebo began to tell the concubine their methods.

    "What the earth carries includes all things between the upper, lower, southeast, north, and west. Within the four seas, there are also the sun and the moon shining, stars of all sizes rising in the east and setting in the west, and the seasons of spring, summer, autumn and winter, and the twelfth year of Tai Sui.  The cycle of the year is based on the correct day"

    "The stars in the sky can move, such as right now"

    Yebo raised his head, searched in the sky, saw a star, pointed to it, and told the current time, it was probably half past two in the middle of the night.

    This is similar to the method used to judge the approximate time by looking at the moving positions of the stars in the sky when exploring geology.

    However, the ancients judged the time by looking at the astrology, not only the approximate time, but also the "celestial equator" and "constant display circle".  It's a university question, and most people really can't play it.

    Erbashen's stargazing skills are even more powerful than Uncle Xi's, but such a powerful stargazing technique cannot accurately correct the time, so a sacrificial fire is needed. If there is no sacrificial fire, according to Erbashen's  According to people, the stars move every day, and slower than the previous day.

    Šu Zai disagrees with this statement. Of course, it is better not to say it well. After all, in terms of stargazing, comparing them with yourself is really a three-legged cat.

    "The night is governed by the stars, the big moon, and the rooster. When the big moon rises in the east, the star Chang Gung appears in the western sky"

    No matter what the world view is, at least some of the knowledge points in Erbashenren's narration of the star-gazing method are quite similar to what Yan Zai knew in the past.

    "When one-third of the sacrificial fire died out, we couldn't see how much time slowed down, and the shadows disappeared. All living things in the world were a little panicked."

    The Erbashen people still hoped that Yuzai could take a walk with them, and at this time, Yuzai thought of something used to time time at night.

    That is the night leak.

    The so-called "the night is exhausted, the sky will be bright".

    But this thing, to be honest, is very difficult to make. Compared with the sundial, Yuzai is not very clear about the specific method of making the night leak. This is based on the delay of dripping water for accurate time calculation. Perhaps archaeologists can know this.  How to make stuff.

    But Yu Zai, for Yu Zai, this is indeed a very unfamiliar thing, just like the moon dial that I thought of at first, this thing sounds like it is made according to the moon?  But in fact, moondials appeared more than a thousand years later than sundials, and they were also very difficult to make.

    After listening to the ancient astrology of the Erbashen people, Yuzai knew that it was definitely a good thing.

    However, the Erbashen people began to complain.

    "The sundial is a good thing, but there are still shortcomings!"

    "This is just delaying the years!"

    "If Emperor Yan's fire can be rekindled in the wilderness of Biyi"

    "Yeah yeah, come with us!"

    "Although we can't give you the branches of three trees, we can give you other things!"

    "Yeah!"

    The gods began to respond noisyly, and Yan Zai asked with a smile: "Yes, the road is far away, and we can't just promise strangers casually. We don't know you, let alone Lingnan, so we just went there rashly."  If I die, what will the tribe do?"

    The gods said: "We will drive the wind and rain, and openroad!  "

    "We can call beasts to find the way for you!"

    "If there is a cliff, we will hold you and jump over it!"

    "If there is a big river, we will put you on our shoulders!"

    "If there is a strong wind, we will form a wall to block you!"

    "If there is an earthquake, we will run with you!"

    The gods said very sincerely, and Yan Zai asked again: "If I go with you, then what are the good things you are talking about?"

    Ye Bo said: "If you help us light the sacrificial fire, we can give you coals, which are good things for fire wizards to practice."

    Concubine Zai: "Fire coal?"

    Is it the kind of charcoal you understand?

    Yebo described it. In addition to the normal charcoal, he specifically mentioned that there is a kind of black stone that is rich in the fire-hating country. The heat of burning is not inferior to firewood.  This kind of black stone practice.

    "This thing, in some places in the north, seemed to be called Shi Nie more than a hundred years ago."

    When Ye Bo said this, Yan Zai was shocked!  Then immediately said to Chisongzi:

    "I think I should take a long trip!"

    Chi Songzi was also taken aback by Yan Zai's instant face-changing skill, and Yan Zai said: "Master, even if it's not some fire wizard's practice treasure"

    That's probably "coal"!

    It has been said that Shi Nie is the same thing, and Shi Nie is a name for coal!

    It's not that there is no coal in the south, but very little, and it cannot be scaled up. It is far from the north and the Great Northwest Wilderness, but the fire-hating people and the Erbashen people actually have coal

    To be honest, the performance of coal in iron smelting is actually not as good as charcoal, but the consumption cost of charcoal is higher than that of coal. The speed of cutting down trees on a large scale and planting trees is far behind that of consumption, although the primitive era did not  So many concerns, but the role of coal is not just smelting.

    Just for this thing, if the deal is completed, a large number of them will be brought back, and even a coal transportation route will be built, it is worth abandoning the big spring plowing and going out to buy goods this year!

    Dayi said to Chisongzi: "I didn't expect there to be stone nirvana in the south, but can this thing be used as charcoal to burn fire"

    "It is said that people in the fire-hating country like to eat these things very much. Because they eat these charcoals, they can spew fire from their mouths. It turns out that these charcoals are stone nirvana."

    Yuzai discussed with Erba Shenren that this kind of charcoal from Biyizhiye can be brought back to Yuzai, but Yuzai really never thought of using coal for cultivation, as a good energy source, if you come to practice.  Here, let's take it easy!

    "I suspect now"

    Yanzai muttered.

    "The reason why there is an endless fire in the wilderness of Biyi is that there are coal mines underneath!"

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