The current nuclear industry is not something that poor and weak countries can handle, but half of the countries in the world cannot afford a large amount of electricity.

Generally speaking, there are two ways to use nuclear bombs, one is that tens of thousands of centrifuges with a speed of 60,000 revolutions per minute will separate uranium-235 with a content of 0.73 percent in uranium ore, and more than 90 percent enriched uranium is a qualified weapon-grade application.

It is common knowledge that there is plutonium in the spent fuel rods of the burned uranium rods of the nuclear reactor, but it is not possible to make an atomic bomb by getting the plutonium out.

Because of nuclear power, Dongying stores a large amount of nuclear fuel, including a large amount of plutonium, and some politicians in Dongying once claimed to be able to build thousands of nuclear weapons overnight.

But here is the popularization of science, there are two kinds of plutonium, one is 239 for nuclear weapons, and the other is plutonium-240 for eating one more neutron.

Plutonium-240, which eats one more neutron, is very unstable, and once more than seven percent plutonium-240 is mixed in the metal plutonium, it is definitely going to explode in rhythm. Nowadays, the technology of separating these two isotopes is not to mention Dongying, and the United States of China barely has this technology.

Dongying does have a large amount of plutonium, but the plutonium 240 in their nuclear waste accounts for 20 percent, and if they dare to use it for nuclear weapons, then their nuclear weapons are 100% to bomb their own people's rhythm, and they don't even dare to separate centrifuges.

Although their American father has this separation technology, but it costs billions to isolate isotopes, but with this technology, the Americans will not give it to Dongying, because it is related to the field of nuclear fusion.

There may be nuclear weapons in Dongying, but there are definitely not many, and the nuclear power plants in Dongying are basically light-water reactors, and the nuclear fuel rods are 3% enriched uranium.

In this case, plutonium production is inevitably easy to eat one more atom, and Dongying's nuclear fuel is almost the level of making a dirty bomb, and if it is a heavy water reactor, the nature is different.

Since deuterium in heavy water can slow down neutrons in large quantities, the plutonium-239 content in spent fuel rods is high, and it can be directly refined into nuclear weapons.

The fuel of the light-water reactor is fuel rods that enrich 3 percent of uranium, and the enrichment technology required for this reactor is simply not comparable to that of refining weapons-grade uranium, and the product produced at the same time is plutonium-240 nuclear waste.

The heavy water reactor directly eats the metal rod extracted from normal uranium ore and does not need to enrich uranium, so there is no need for high-end enriched uranium centrifugal technology, and the product produced is plutonium-239.

A large number of centrifuges consume a lot of electricity to take the uranium bomb route, and a large amount of electricity is also required to electrolyze water because heavy water is not easy to electrolyze heavy water, and organic solution extraction technology must also be studied.

Of course, Yang Yi is not building a nuclear bomb now, but a nuclear power plant, although most of the principles are the same.

The various types of centrifuges, ranging from tens of thousands of revolutions per minute to hundreds of thousands of revolutions per minute, are very clean in enriched uranium plants, and in rows of cylinders, the rotating drums are running rapidly, and the speed of the edge of the rotating drum can reach hundreds of meters per second.

Such a high speed requires a series of machine parts to be very large, and the accuracy must also be extremely stable, like the washing machine drum is spinning, the drum is connected to the whole machine and vibrating will never appear, ultra-high-speed operation, and maintain quiet and stable.

Mainframe computers are also constantly calculating formulas for maximizing the shock wave of blasted nuclear material, and thousands of related experts are working on further calculations based on the answers.

Yang Yi is in command of the project, the nuclear field, the embodiment of a country's industrial strength; In the nuclear industry, if there is an error in any link, the whole system will be unstable, and this is by no means something that can be done by an individual or an agricultural country.

Behind each part is a series of numerical formulas, as well as the associated machining processes of a large number of industrial sectors.

……

On January 15, the first batch of soldiers who passed the short-term military training in Sulawesi officially left the camp, with a total of 3,000 soldiers, more than 2,300 male soldiers and more than 700 female soldiers, all equipped with armor - Guardian I. type.

Many people say that in the setting of mechas, two legs are natural weaknesses, but who said that mechs should be tough on the plains with the torrent of armor.

Large-scale armored tank warfare or something, it is only a scene that can only be seen in the continental region, and it is impossible for Sulawesi to encounter this kind of scene, and if you want to play a little high-end, in modern warfare, medium and long-range missiles have made the plain area a strategic dead place to withstand powerful firepower, and the mobility advantage of the mecha in the mountainous jungle ravines can be revealed.

Weapon research and development depends on the battlefield environment, and some battlefield knowledge on the mainland cannot be substituted for this otherworldly Sulawesi, and it is difficult to encounter a large-scale armor flood on the island.

Moreover, the legs of the mecha are not necessarily an absolute weakness, in the past, there was no solution to the problem of energy miniaturization and high-power release, and the robot was always the kind of slow hand and foot half a beat.

In the early days of previous robot experiments, you can see humanoid robots, and during the test, a large number of wires were inserted into a frame to test flexibility, of course, once they left those wires, those robots walked tremblingly, which was like a fight with an eighty-year-old lady.

The core reason is that the reserve power supply to support robot activities in the 21st century is not enough, but if you don't use batteries and use fuel engines to build a mecha, it is flexible enough, but as long as the machine starts, the noise is simply to attract hatred on the battlefield.

The Guardian I type is the same as the Iron Man series armor made by Yang Yi before, and the same aspect is the whole body control system and power device, the difference is in the transmission structure.

There is no ability to transform on a large scale, only the ability to transform simply remains, defense mode, march mode, attack mode, each of the three types of transformation has its own emphasis, and it also has the ability to glide for short flights.

However, it is still a standard land combat mecha, the entire mecha is five meters high, stainless steel alloy structure, the structure compromises to the human physiological aspect, the energy is a large graphene synthetic battery and several small graphene synthetic batteries, the energy reserve is enough for a week, and the large battery is sent to drive the small batteries in the limbs and joints of the mecha through the built-in wireless circuit.

Although it is humanoid, it is very different from the movement of human limbs, the muscles of human limbs are derived from the limbs, and the energy is obtained by burning sugar into lactic acid in sprinting anaerobic respiration.

Each thigh bone of the five-meter-tall five-meter-tall robot has small batteries that provide electrical energy to stretch strands of hydraulic parts that act as muscle fibers, like bundles of muscles around the metal skeleton, and then covered with layers of alloy structures around the perimeter.

A beam of bullets pierces a bundle of such metal muscles, and other parts can still provide pull, except for the battery being pierced, but there are also a lot of batteries on the body, as long as they are not all penetrated, they are still capable of continuing to fight or retreat.

As for the most important joints, they cannot be a weak point because they do not need to transmit energy through a wired device; If you want to conduct electrical energy from an energy core to the limbs with cables, the energy supply circuit that passes through the joint is very easy to break.

After all, the circuit is a circuit, very fragile, a little breakdown is easy to short circuit, a burst of electric sparks, violent electrical energy is very easy to release and burn the joints, both to bear the transmission and to bear the energy supply, in the processing can not be a whole piece of material, these functions are squeezed together, it must be inappropriate.

Then wireless energy transmission devices must be the most suitable way at this stage.

The highest difficulty of the whole body lies in the fact that each limb must have a chip that processes information, and the movement of the human limbs is coordinated, and if it is not coordinated, it will fall, so the entire limb of the mecha has a separate energy supply and a separate information processing system.

This is the equivalent of an autonomous driving system, where only the right operator can perform simple operations, and other more detailed functions are assisted by AI.

The entire Guardian, every action that the driver makes in the cab inside the mecha, the mecha can perfectly imitate.

Even whether you are running, push-ups, or even climbing a cliff, the knuckles on your arms can be firmly inserted into the rocks to crawl along the cliffs.

In marching mode, the fastest running speed can reach a speed of about 100 kilometers per hour; It can reach 50 kilometers per hour under normal cruising conditions, and the standard weight is five tons, and when carrying a full load of weapons, it reaches eight tons.

Attack mode with a combination of infrared detection and intelligent fire control.

After all, this is a weapon, and all weapons have been designed to adapt to combat since the beginning of their existence; A weapon that is not adapted to the battlefield is a waste of wealth.

Sulawesi does not need to develop armored forces, because Sulawesi is not on the land plain and air supremacy is guaranteed, so it would be a waste of wealth to develop armored forces suitable for plain attacks on the island.

The weapons produced by a qualified force must be used in a possible war in the future, and it is impossible for Sulawesi to face a large-scale invasion, and in the foreseeable situation, there will only be small-scale operations, so it can be said that this mecha is prepared for small-scale operations.

……

Approaching the Spring Festival, most areas of Chinese civilization are in a state of festival, since the popularization of the immortal gene, the whole society has quietly undergone many changes.

In the past, those who had a bad relationship with their parents and were separated from their original families would also have some changes.

There are very few elderly people in society, and there are very few old, weak, sick and disabled people on the bus, and many elderly people aged 5 and 60 have now received a complete set of gene injections and recovered their young bodies, so it is naturally impossible to receive pensions anymore, and they will have to go back to work at this time.

It is only in the areas of Chinese civilization that the entire society has liberated the labor force of hundreds of millions of people, and reemployment training courses and other undertakings have also developed.

In the past, those old people who danced square dances did not have a leisurely life, and their children did not have to provide for the elderly, and now the slogan is "to rely on oneself for the elderly".

So how can we live comfortably with a few decades of life in the future?

This is a problem for the whole society, in the time close to the Spring Festival, many families have this kind of trouble, the competition for family property, some have transferred the house property to the next generation of the elderly, and suddenly they have to re-enter the society, and the competition for family property is also the most frequent case today.

This kind of social problems, although various countries have been recorded, but not really faced, or do not know that the problem has been so serious, especially the problem of pensions, this society, more than 100 years old is extremely few, the elderly at this age, basically there are few worries about pension.

However, many of the old people in the past, the current pension problem needs to be solved urgently, and the pension will be suspended after one year, and qualified people will need to wait until they are 100 years old to urgently need to receive a pension, which is a unified policy that most countries have begun to implement.

In addition, there is the issue of property, so that parents and children do not aim at two families, but become a universal problem.

There is also the problem of jobs, and it is only then that countries realize that if they can't enter the interstellar age as soon as possible, just the interior of the earth may gradually collapse.

At present, we can only do some general work as much as possible, and the space elevator program proposed by Yang Yi has been sponsored by many countries, and the United States has also sponsored it, but the United States has also proposed its own recyclable rocket program.

Elon Musk's SpaceX Falcon 9 rocket successfully landed its first stage at Cape Canaveral, Florida, us, ushering in the history of direct vertical recovery of rockets from space.

The space elevator program is undoubtedly more advanced and applicable, but there are still many difficulties facing it, and most of the problems such as materials and energy have not been solved.

Sulawesi doesn't even have a proper power station, and while the tidal and geothermal power plants designed by Star Group today seem to be successful and already under construction, they simply won't be able to accommodate space elevators.

Unless it is a nuclear power plant, it must be a large nuclear power plant, which is the main reason why Yang Yi presided over the construction of a new nuclear power plant in China, accumulating experience for the construction of a fusion nuclear power plant in Sulawesi.

In fact, mankind has mastered and partially applied controlled nuclear fusion technology, but the problem is that the energy invested in igniting and maintaining nuclear fusion is greater than the energy produced by nuclear fusion reactions.

It's like if you open a factory, the machines are running, the products are sold, but the financial losses are still lost, and there is no net profit.

Although it cannot be used to generate electricity, it does not mean that the current controllable nuclear fusion is completely useless, and many neutron sources use deuterium-tritium nuclear fusion to produce neutron radiation, and neutron radiation can produce rare radioactive isotopes.

Neutron sources mainly use particle accelerators to violently collide with deuterium-tritium to produce fusion, or use electrostatic inertia to confine nuclear fusion.

Some electrostatic inertial confinement fusions are so small and simple that some high school students can even build nuclear reactors, which are simple electrostatic inertial confinement fusion reactors, which are called Fusor.

The principle is to use a high-voltage electric field to attract positive ions to the center, and the lucky ones who collide can produce fusion, so to speak, in some cases it is much easier to build a nuclear fusion reactor than a fission reactor.

Due to the low power, the far ultraviolet, X-ray, and neutron fluxes produced are also low, so as long as you don't use this as a lamp and stay next to it, the fuel can be obtained by electrolysis of heavy water and removal of tritium tubes.

The problem is fusion energy, and the problem is that it needs to be able to generate electricity and drive transportation.

Controlled nuclear fusion fuels use deuterium (heavy hydrogen) and tritium (super heavy hydrogen), which have the lowest Lawson coefficient and are the most easily ignited.

Tritium does not exist in nature due to its short half-life of 12.32 years. Lithium 6 needs to be converted by neutron bombardment, and it is expensive because it is not small in radioactivity.

More than 70% of the energy produced by the deuterium-tritium fusion reaction is dangerous neutron radiation, the neutron radiation of the personal DIY Fusor is nothing, but the neutron radiation is terrible after the power is high, it can destroy the crystal lattice of the microstructure of the material like a bullet, resulting in neutron embrittlement, and it can also convert the original non-radioactive material into radioactive isotopes, which is called neutron activation, neutron radiation ionization ability is strong, and it is very dangerous to organisms. So there is a neutron bomb.

Although the magnetic and electric fields can separate the fusion plasma from the reactor vessel, the electromagnetic radiation (from infrared to X-rays) and neutrons still bring intense heating at high power, and the temperature is comparable to that of a jet engine.

Withstanding neutron bombardment and intense heating while maintaining reliability at the same time is an engineering challenge; It is necessary to regularly replace the parts that have been damaged by neutrons and have been damaged by radioactive and embrittlement, plus the cost of tritium fuel for handling radioactivity.

Fuel costs, technical content, maintenance costs, etc., lead to the construction of controllable nuclear fusion power generation, and the use of radioactive fuel also produces radioactive waste (neutron activated waste, of course, the radioactivity is much lower than the spent fuel of nuclear fission) is not completely clean, relatively speaking, even inferior to the second and third generations of fission nuclear power.

Deuterium-deuterium fusion fuel itself is cheap, and the neutron energy ratio is half that of deuterium-tritium, but the ignition requirements are much more demanding than deuterium-tritium, and the requirements are about 6 times that of deuterium-tritium fusion.

Deuterium-helium-3 fusion neutron radiation is very small, and the energy output is stronger than deuterium-tritium and deuterium-deuterium, but the same ignition requirements are much higher, and the requirements are 10 times higher than those of deuterium-tritium; And the price of helium-3 is more expensive than tritium - because the current helium-3 on the earth happens to be the decay product of tritium, before the construction of the space elevator is completed, it is not so easy to mine lunar helium-3, even if the cost of space transportation is reduced after completion, every 1 gram of helium-3 mined on the moon needs to treat at least 150 tons of lunar surface soil, which is brought about by the sedimentation of solar wind particles in the lunar topsoil for billions of years.

The better and greater reserves of helium-3 are the atmospheres of the four giant planets of the solar system, but these giant planets are far away and have a large escape speed, and the mining of Jupiter, Saturn, Uranus, and Neptune may be far away.

Yang Yi's current vision of fusion fuel is hydrogen-boron-11, the cheapest fusion fuel combination that could be used in the foreseeable future, and is completely devoid of neutron radiation.

However, hydrogen-boron-11 fusion is much more difficult than deuterium-helium-3, and no engineer dares to study the proton chain reaction or carbon-nitrogen-oxygen cycle reaction in which stars directly burn hydrogen, which requires more than 80 times the core pressure and temperature of Jupiter's mass to ignite.

Of course, there is also a so-called heavy element fusion called burnt stone (silicon, oxygen), which can only be ignited in the later stages of the evolution of blue giants (O, B-type spectral main-sequence stars) with 8 solar masses.

The mass of the Sun is equivalent to 1047.35 times that of Jupiter, and 8 times the mass of the Sun is 8,378.8 times that of Jupiter, and the mass of Jupiter is 317.8 times that of the Earth, which is ultimately equal to 2,662,782.64 Earths.

In other words, the so-called heavy element fusion requires 2,662,782.64 times the pressure of the Earth's core, which is equivalent to 3,300,000 to 3,600,000 standard atmospheres to ignite.

In other words, it takes at least 8,787,182,712,000 times the standard atmospheric pressure at the Earth's sea level to ignite heavy element fusion.

Nuclear fusion power generation can only be truly clean and powerful after the deuterium-helium-3 and hydrogen-boron-11 fusion matures and the related industrial chain is perfected, which is expected to take about five years.

This is still supported by various countries, it may be advanced, but at most it is a year in advance, Yang Yi's idea is to build a small elevator first, first meet the needs of scratch, and then consider others.

Walking into the starry sky is a path of hope, and with hope, human beings can stop large-scale internal friction, and even most social problems can be solved through this.

……

It is very easy for the Star Group to recruit staff, especially in China, many retired teachers, the school can not all be rehired, can only find their own way out, the Star Group is well paid, although to go to Sulawesi, but all aspects of the conditions are very good, it is not so difficult to go abroad.

In this era, there are too many people who have left their hometowns, and they are basically the norm, some are for their families, and some don't want to argue with their children, so leaving is the best choice.

Star Group now has tens of millions of industrial workers in the upstream and downstream industries, many of which can be relocated to Sulawesi, at least providing hundreds of thousands of jobs, and with the development, more and more.

At present, for the sake of development and stability, all countries have announced the most stringent labor regulations, such as overtime is absolutely not allowed, no matter how much salary is paid, as long as overtime is found, the enterprise will be heavily fined, and half of the fine will reward the whistleblower.

This is also to increase the number of jobs, and some people work overtime to complete the work, so this part of the work could have created another job.

……

"Tai Chi, one yin and one yang, are ...... in one"

Tang Zichen will be twenty-two years old soon, but the life of the past few years has given her a weathered state, because she has achieved success in internal cultivation, she is still a young girl in appearance, but she has an awe-inspiring murderous aura in spirit.

This time, she returned to China with Yang Yi, and she also met her parents who she hadn't seen for a few years, she had no weakness after being displaced, and after seeing her parents well, she came back, Yang Yi would also teach these martial arts geniuses in his spare time.

Tang Zichen's martial arts were secretly guided by Yang Yi, but the specific path was still taken by herself, and in some places, in a daze, even a genius would have problems, and Yang Yi taught her some new martial arts in this situation.