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Pillaging the Moon for the promise of space energy
Between 1969 and 1972, Apollo astronauts brought just under 842 pounds of rocks and regolith back from the Moon. In 1985, engineers at the University of Wisconsin discovered significant amounts of Helium-3 in the lunar soil.
Helium-3 is a stable isotope of helium -- the gas we use to fill party balloons with -- and is notable because it's missing a neutron, an important property that means we can use it in nuclear fusion reactions to produce clean energy. Unfortunately, our most plentiful stores of the isotope are a quarter of a million miles away.
At the Korea Institute of Fusion Energy (KFE), the KSTAR tokamak recommenced operations in December after a major upgrade to replace the…
KSTAR aims for longer plasmas
At the Korea Institute of Fusion Energy (KFE), the KSTAR tokamak recommenced operations in December after a major upgrade to replace the device's carbon divertor with a tungsten divertor.
According to an on the KFE website, the original carbon divertors could take a thermal load of 5MW/m², whereas the tungsten divertor can take 10MW/m². The upgrade is critical to the goal of sustaining a 100-million-degree plasma for 300 seconds by 2026. Data from the operational campaign will be directly relevant to °ÄÃÅÁùºÏ²Ê¸ßÊÖ, which will operate a tungsten divertor under similar plasma conditions in terms of shape and structure.
This testing campaign will continue through February 2024. Read more about the plans in this in English on the KFE website, or in Korean in the .