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Volume 1: Great changes in the mountainous countryside 008. Solve the power supply first

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    When Su Yu returned to Beijing, Zuo Jiayan's house didn't even have enough quilts to cover him, and he only lived in a one-and-a-half-room straw hut. Su Yu built it himself, and the original house was given to Zuo Gui's eldest brother Zuo Fu.  and his uncle and brother Zuo Jun.

    After Zuo Wenfang graduated, he insisted on returning to Weiyanping, so Su Yu took a sum of money to build three new tile-roofed houses in Zuojiayan.

    There is no shortage of stone and wood in Weiyanping, but bricks, tiles, cement, etc. are high-end goods. Because of the closed environment, many daily necessities in Weiyanping are self-sufficient. Only some necessities are purchased in the county, such as salt, ironware, and bricks.  Tile and cement are only available in the county, so brick and tile houses are the most luxurious houses in Weiyanping.

    The house is built according to the mountain, facing southeast, with tea tree ridge as its back, and the yard has been opened into a vegetable garden by Jian Xiaobu.

    There were three bedrooms in the house, and her parents and sisters each occupied one. After Su Yu came back, Xiaoqing had to share the room with her sister. However, she rarely stayed at home for a few days a year, and Wenfang spent most of the time.  Living on campus means my home is empty.

    Back in the bedroom, Su Yu couldn't sleep for a while, so he picked out a box from his luggage, opened it, took out all the tools inside, and then changed Xiaoqing's desk into a workbench, preparing to process some gadgets first.  Son.

    In addition to being rich in rocks and wood, Weiyanping is also rich in another resource, which is water. The Nansha River, the largest river in Hui County, has its main source in Weiyanping, and Nansha River is the main source of Huaxi.  One of the branches.

    As early as more than ten years ago, five small hydropower stations were built in the cofferdam flat. Although the power supply is not very stable, it is barely enough to supply the daily life of the cofferdam flat. There is no larger power station in the cofferdam flat.

    Su Yu wants to assemble a computer to drive the smart auxiliary device in his hand. A stable power supply is essential. The supply of lighting electricity at home is very random, except for a few hours during the peak power consumption period in the evening.  , the rest of the time there is a power outage, and the voltage fluctuates. Without a voltage regulator, the life of the light bulb is not very long.

    Therefore, the first thing Su Yu had to solve was the power supply problem.

    While waiting for computer components in the provincial capital, Su Yu considered this issue. He grew up in Weiyanping and knew the situation at home well, so he took advantage of those few days to purchase the components.  A batch of tools and materials that I have at my disposal.

    With the development of science and technology, energy problems have been solved by countless advanced means in later generations. Three hundred years from now, on earth, although power is still one of the most important sources of energy for life, thermal power and hydropower have long been eliminated, not to mention nuclear power.  , even earlier than thermal power and hydropower.

    More than a hundred years later, a middle school student will manually synthesize a room-temperature superconductor in the school's physics laboratory, and this will set off a new industrial revolution. Subsequently, a series of superconducting generators, superconducting engines, etc. will appear.  New technology and cheap superconducting materials have suddenly made power transmission easier.

    A new type of compound material was discovered almost at the same time as superconducting materials. It can store electrical energy by changing its physical form at room temperature without any loss, just like a liquid absorbs heat and converts into a gas, and then  By releasing heat and returning it to liquid form, this synthetic material has rapidly improved electricity storage technology.

    What Su Yu has to do now is to get these two simple synthetic materials, and then make a light energy collector and light energy converter to collect solar energy to generate electricity, plus batteries and cables made of new materials.  The energy problem is solved. Solar energy technology has become very mature in later generations. Middle school students more than a hundred years later can do these things in the laboratory.

    Su Yu had already purchased all the tools and raw materials for making these things when he was in the provincial capital. They were not expensive items that were in short supply. What was missing was just an idea. As long as he pierced the window paper and completed his high school physics degree,  Middle school students can easily make these devices.

    In fact, more than a hundred years later, neither the middle school student who invented superconducting materials nor the scientists who discovered electricity storage materials have gained any substantial benefits from them, except for reputation.

    Therefore, Su Yu never thought about publishing these important discoveries made by later generations under extremely accidental conditions.

    The production of synthetic materials requires grinding and heating tools. It is not possible to do it now, but you can first make a light energy collector and a light energy converter. These two things mainly collect solar energy and convert it into electrical energy. The core technology is to write complex  The computer chip controls the program. Although there is no biochip in the brain, Su Yu can still do these tasks with ease.

    Su Yu, who is accustomed to commanding intelligent assistant devices to complete various operations through biochips, naturally seems clumsy when using computers of this era. Just exploring various functions wastes a lot of time. It is not easy toI started writing the program. I had just finished writing less than one-tenth of the time when my vision suddenly went dark and there was a power outage.

    Mo helplessly shook his head, Su Yu could only climb into bed and start to rest.

    Before dawn, Su Yu heard the noise outside, but it was her eldest sister Wenfang who was cooking. Today, Monday, she had to go to school early, walking more than thirty miles from Zuojiayan to Weiyanping.  It will take almost more than two hours. It can be much faster by riding a bicycle, but you have to climb two mountains along the way, and you will have to carry the bicycle up the mountain.

    Since Zuo Gui had told him to report to the countryside today, Su Yu naturally could no longer stay in bed and sleep in. After getting up and washing up, the eldest sister Wenfang had already prepared breakfast. Although his parents and Xiaoqing didn't have to get up so early to mess around,  He still ate together with his sister and brother, and then went back to rest until they were sent out of the yard.

    Su Yu had already greeted the mule team that brought him back last night. He took the mule to Weiyanping in the morning, which would save time and effort. The mule team rested in Chashugou Village, two or three miles away from Zuojiayan.  When we arrived, the mule team was already waiting outside the village, accompanied by many people from the same village, some going to the countryside and some preparing to go to the county.

    Arriving at Weiyanping, where the township government is located, before seven o'clock, Su Yu followed his sister to school.

    Cofferdamping is the intersection of the two main branches of Nansha River. Over thousands of years, a large impact basin has been formed. After several generations of efforts, it has been transformed into the largest impact basin within hundreds of square kilometers.  ghetto.

    The location of the school happens to be a river bend. There are green hills in front, back and left. Across the road on the right is the Nansha River. However, the river bank is about seven or eight meters high, so there is no risk that the river will spread up.

    Su Yu graduated from junior high school here, so he was very familiar with the school. In the past seven or eight years, except for the school building becoming more dilapidated, there were basically no changes.

    Standing at the school gate, Su Yu took a long breath and seemed to smell the familiar and friendly scent again.

    Looking at his younger brother, Zuo Wenfang was filled with joy. His younger brother was still the same as before, without any changes. He originally thought that the few years of life in the capital had already made him forget about this home in the northwest mountains. Otherwise, why would he be like this?  Haven't been back for years?  But from yesterday to now, what I see and feel is still the familiar younger brother from the past.

    Of course, he has grown into a handsome man, and his appearance still vaguely reflects that of Aunt Su.

    Thinking of Aunt Su, Zuo Wenfang felt an inexplicable flash of sadness in her heart.

    When Su Mei died of illness, Zuo Wenfang was seven years old and had already begun to remember things. She still clearly remembers what Aunt Su said when she held her hand in front of the hospital bed. Her eyes subconsciously moved to Su Yu. Zuo Wenfang  Fang felt a little warmer in her heart.

    "Good morning, principal!"

    A soft greeting came from behind, awakening Zuo Wenfang and Su Yu who were reminiscing, and they both turned around almost at the same time.

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