What an exciting feat it would be if we could be like superheroes and have the magical ability to easily “transport” the sun's energy to Earth! Not only would we be able to feel the warmth and light, but we would also be able to convert the sun's energy directly into electricity, providing us with a constant source of power for our daily lives.

To put it simply, nuclear fusion is the skillful combination of light nuclei (like those cute little hydrogen isotopes) into heavy nuclei (like Mr. Helium atom), and in this seemingly simple process of combination, a jaw-droppingly huge amount of energy will be released. The energy is so great that it's almost as if two small snowballs (hydrogen atoms) were instantly fused into one large, radiant snowball (helium atom) at extremely high temperatures, as if they were melting furnaces, and the energy that erupts during this process is millions of times greater than the simple joy that comes from throwing snowballs and having snowball fights in the cold months of winter! It is this energy that allows our sun to shine brightly in spirit every day, shining down on everything that grows. In the blazing fire of the sun, countless hydrogen atom pixies are jumping happily, they collide with each other, fusion, releasing dazzling light and endless heat, so that the entire solar system are bathed in warmth and light.

Nuclear fusion has great potential, mainly in terms of its energy abundance, environmental friendliness and high safety. The Earth is a very rich source of hydrogen, and seawater contains a lot of it. If we can extract hydrogen from seawater, we will be able to obtain energy almost endlessly, which is like digging in an endless treasure trove. Moreover, nuclear fusion produces no greenhouse gases and no long-term radioactive waste, and is simply a little guardian of the environment, working to keep our planet clean. What's more, nuclear fusion is much safer than nuclear fission (e.g., nuclear power plants). Even in the event of an accident, the fusion reaction stops automatically, like an obedient child who knows when to stop.

Of course, trying to achieve controlled fusion is not a simple task. For starters, fusion reactions need to take place at extremely high temperatures (over 100 million degrees Celsius). It's like whipping up a dish in the kitchen that requires supercharged heat, and our current technology is still working on improving the cooking skills for that dish. Second, to keep the fusion reaction stable, a strong magnetic field is needed to confine the high-temperature plasma. It's like being in a giant balloon that keeps the air inside forever and can't leak out. Scientists are using technologies such as tokamak devices to accomplish this, but more research is needed to get the balloon perfect.

In the future, when controlled fusion technology does come to fruition, we will, at that time, no longer be plagued by the energy crisis and no longer worry about the depletion of fossil fuels. On the contrary, we have an almost inexhaustible treasure trove of clean energy - controlled nuclear fusion, which is like a never-ending sun, constantly providing us with light and heat. Whether it's the bright lights of a bustling city or the daily appliances of a cozy home, they will no longer rely on fossil fuels that pollute the environment. Instead, they will rely on this amazing “solar energy” to drive, and here the “solar energy”, in fact, is through the controlled nuclear fusion technology, the hydrogen nucleus in the energy cleverly released, converted into electricity. This kind of energy is not only clean and environmentally friendly, but also almost endless, allowing us to completely get rid of the energy shortage.

Controlled nuclear fusion is like a bright future door waiting to be opened. It will bring clean, safe and unlimited energy into our lives and become the “ultimate power source” for mankind.

（Writer：Hoock）