Japan Has SUCCESSFULLY Activated Its New Fusion Reactor!

Japan's new fusion reactor, JT-60SA, which confines a heated plasma in a doughnut-shaped chamber using superconducting magnets, has been successfully turned on. The largest and most sophisticated reactor in the world, it supports the international Thermonuclear Experimental Reactor (ITER) project in France and studies the physics of fusion energy.

On October 26, 2023, the first plasma was produced following almost 15 years of development and testing. "This demonstrates to the world that the apparatus performs its intended function," stated Fusion for Energy project manager Sam Davis. Regarding JT-60SA and related activities, this EU institution works with the National Institutes for Quantum Science and Technology (QST) in Japan.

The process by which two light atomic nuclei fuse together to form one heavier one while releasing a tremendous amount of energy is known as nuclear fusion.

Fusion reactions occur in a state of matter known as plasma, which is a hot, charged gas that differs from solids, liquids, and gases in that it is composed of free-moving electrons and positive ions.

This process is what powers the sun and all other stars. Nuclei in our sun must clash at temperatures as high as 10 million degrees Celsius in order to fuse. They have enough energy from the high temperature to go past their electrical repulsion for one another.

The nuclei can fuse once they are fairly close to one another because the attractive nuclear force between them will overcome the electrical repulsion. The nuclei must be contained in a tiny area to raise the likelihood of a collision for this to occur. Fusion occurs in the sun because of the intense pressure brought on by its tremendous gravity.

For what reason are scientists researching fusion energy?

In a 1925 publication, British scientist Arthur Eddington proposed the theory that stars, like our sun, are fueled by fusion reactions—the process of combining hydrogen nuclei to generate helium. Scientists started to think about how humans could harness that process to produce a lot of energy by the 1950s.

Visionaries have continued to be amazed by the possibility of fusion ever since. A power plant with a fusion reactor wouldn't produce a lot of radioactive waste, in contrast to a conventional nuclear reactor that uses a fission reaction, in which uranium atoms are split. One gram of the hydrogen isotopes needed for a fusion reaction could produce as much energy as eleven tons (almost ten metric tons) of coal.

When nuclear fusion theory was first discovered, scientists and engineers have been working to replicate and utilize it. This is because nuclear fusion has the potential to supply almost infinite amounts of safe, economical, and clean energy to meet global demand if it can be duplicated on Earth at an industrial scale.

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