Energy shortages have become an issue that humans cannot avoid. The energy released by the sun, the earth only enjoys a very small part. If human beings can reproduce and control the process of solar energy release so that it is used by humans to the maximum extent, is it not beautiful?

At present, scientists are working together to create an artificial sun, hoping to develop new energy sources by simulating the solar center energy generation model.

working principle

The British "Sunday Times" reported on the 4th that the Oxford University of England will build a nuclear fusion laboratory to reproduce the internal temperature and pressure of the sun, and use its high-energy laser to directly bombard tiny hydrogen fuel spheres, releasing huge energy through fusion.

During the fusion process, the laser beam can heat a 2 mm diameter hydrogen fuel pellet to 100 million degrees Celsius, much higher than the sun center temperature. At this point, the pressure generated by the atomic burst of the surface of the fuel ball rapidly compresses the ball to a few hundredth of the original volume within a few hundredths of a second. Immediately thereafter, the hydrogen atom becomes a large number of electrons and hydrogen nuclei, and is combined into a ruthenium. At the same time, the fuel ball releases a large amount of energy in the form of light, heat, radiation, and the like. This process is similar to the energy generated by the solar center, so this experiment is called the artificial sun.

Researchers say that once the technology is successful, it will provide humans with a safe, carbon-free and least-radiation waste energy source, which is expected to solve some of the world's energy crisis.

Global teaming

The artificial sun project has brought together scientists from around the world.

Last week, the Rutherford-Appleton Laboratory in Oxfordshire officially implemented the high-energy laser project.

The experimental reactor prepared by the International Thermonuclear Experimental Reactor Program has also been started in France. The £8 billion experimental reactor project replaced the laser with a magnetic field to create the conditions required for nuclear fusion. This project is expected to conduct its first experiment in 2022.

At the same time, the United States also established the National Ignition Project at the Lawrence Livermore National Laboratory in California. The short-term goal of this project is to achieve small-scale controlled nuclear fusion.

Mixed feelings

Soaring energy prices coupled with concerns about the safety performance of fossil fuels such as coal and oil have made fusion technology once again favored. Experts believe that this technology may benefit humanity. However, some people are worried about this. Many people say that this technology is the key to making hydrogen bombs.


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