Chapter 115 (1/2)

After Zhang Wei taught Beidou all the useful knowledge he had, he let Beidou play by himself. As the first real AI in the world, Beidou can roam freely on the Internet, and can reach any corner of the Internet in an instant. In the last second, it may roam in China, and in the next second, it will go to the United States.

However, Zhang Wei ordered Beidou not to cause trouble or be found by others.

Beidou is very clever to agree, and then excitedly into the vast Internet world.

At this time, Zhang Wei finally has time to study the small fusion furnace technology that the system rewards.

He is full of expectation for this technology.

Nuclear technology, in addition to being able to make nuclear weapons, can also be used in medicine, industry and agriculture, and can solve the energy crisis of mankind.

At present, nuclear technology is divided into nuclear fission technology and nuclear fusion technology.

Nuclear fission is a kind of nuclear reaction in which a nucleus splits into several nuclei. It mainly refers to a form of nuclear reaction in which the heavy nucleus splits into two or more atoms with smaller mass. In this process, huge energy will be released. Only some very heavy nuclei, such as uranium and plutonium, can produce fission reactions. The atomic bomb uses nuclear fission technology.

At present, human beings have mastered the technology of controlled fission, such as the nuclear reactor of nuclear power plant.

In contrast to nuclear fission, nuclear fusion refers to the atom with small mass, mainly deuterium or tritium <. Under certain conditions, the atom nucleus polymerizes with each other to generate a new heavier nucleus, which will release more energy than the nuclear fission change. The light and heat of the sun is the fusion reaction from the internal hydrogen to helium.

At present, mankind has mastered the uncontrollable nuclear fusion technology, that is, hydrogen bomb! The power of hydrogen bomb is hundreds of times that of atomic bomb! It has been said that hydrogen bombs can bring the enemy back to the stone age!

However, uncontrolled nuclear fusion can only be used to make weapons of killing, and the energy it produces cannot be used by human beings at present.

Only by mastering the technology of controllable nuclear fusion can human use nuclear fusion to obtain energy, and it is infinite energy.

As we all know, helium 3 is recognized as a highly efficient, clean, safe and cheap nuclear fusion power generation fuel in the world. 8 tons of helium 3 can solve the total energy supply of China in one year. Every year, the world needs only 100 tons of helium 3.

Although there is little helium on the earth, the soil on the moon surface is rich in helium, which is estimated to be millions of tons. What is the concept of millions of tons of helium 3? This means that as long as mankind has mastered the controllable nuclear fusion technology and can develop the helium 3 resources of the moon, there will be no energy crisis for thousands of years!

Therefore, controllable nuclear fusion technology and space technology are related to the fate of the country!

However, controllable fusion technology is not to be realized, which is quite difficult!

Nuclear fission can occur only under the natural conditions of normal temperature, while the current human research on thermonuclear fusion needs a temperature of hundreds of millions of degrees in an instant, such a high temperature can not be achieved by traditional heating methods. In the development of hydrogen bomb, the temperature of nuclear fusion reaction is obtained by detonation of nuclear bomb, which causes the explosion of hydrogen bomb. So, there is a small nuclear bomb inside the hydrogen bomb.

Therefore, there are two key problems in the study of controllable fusion.

First: how to heat the fusion materials to such a high temperature?

Second: what will the fusion material take after it is heated to such a high temperature?

about the first question.

Nuclear physicists have designed a high-energy laser ignition device, such as the national ignition device in the United States. The laser will generate 192 laser beams, which will shoot at a spherical hydrogen target containing deuterium and tritium and cause it to collapse, and generate a high temperature of about 100 million degrees Celsius, thus triggering the fusion of hydrogen atoms. Moreover, the collision process between laser and hydrogen target is extremely short, lasting only a few nanoseconds.

On the second question.