Japan Launches the World’s Largest Nuclear Fusion Reactor


GG News Bureau

Naka, 5th Dec. The world’s largest nuclear fusion reactor, called the JT-60SA, was launched in Naka, Japan on Friday.

This joint project between Japan and the European Union (EU) marks the beginning of experimental operations for the most advanced tokamak, which is a toroidal chamber with magnetic coils. The magnetic coils accelerate gaseous fuel to high speeds, ionizing it and turning it into plasma. The plasma is then heated to extremely high temperatures using powerful magnetic fields.

A video of the inauguration shows the activation of the tokamak, with the plasma current reaching one mega ampere and creating the largest volume of plasma ever produced.

The EU and Japan will continue to support the operations and upgrades of the JT-60SA for future fusion reactor designs.

Construction of the JT-60SA began in 2013 but was delayed due to an earthquake in 2011 and a short circuit in 2021.

In October 2023, it achieved its first plasma and became the largest operational superconducting tokamak in the world.

The goal of the tokamak is to generate fusion energy, which is clean and does not produce carbon dioxide or high-level radioactive waste.

The EU and Japan are also collaborating on two other fusion-related devices, in addition to their work on the International Thermonuclear Experimental Reactor (ITER) project.

ITER, scheduled for completion in 2025, will build upon the knowledge gained from the JT-60SA tests.

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