It is about one-third the size ofITER, the massive experimental reactorbeing built in France.

A prototype of the new diverter was completed in 2021, and installation was finished last year.

We will strive to contribute our best efforts in obtaining the necessary data for ITER through KSTAR experiments.

Workers inside the vacuum vessel of the KSTAR tokamak.

Workers inside the vacuum vessel of the KSTAR tokamak.Photo: Korea Institute of Fusion Energy (KFE)

ITERs first plasma is expected in 2025, and first fusion is slated for 2035.

There are more than 50 tokamaks operating around the world,according to the International Atomic Energy Agency.

More:Will Nuclear Fusion Ever Power the World?

The KSTAR tokamak in Daejeon, South Korea.

The KSTAR tokamak in Daejeon, South Korea.Photo: Korea Institute of Fusion Energy (KFE)

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