China Unveils World's Largest Magnet for "Artificial Sun" at 582 Tons

Why in news

China successfully tested the world's largest superconducting toroidal-field magnet for its 'Artificial Sun' fusion energy project.

Background

The magnet weighs 582 tons and is 21 metres long. It was developed by the Institute of Plasma Physics (ASIPP) in Hefei to confine plasma at temperatures exceeding 100 million degrees Celsius.

Facts for Prelims

• S&TSuperconducting toroidal-field magnets are used to confine plasma in fusion reactors.
• FactThe magnet weighs 582 tons and is 21 metres long.
• S&TNuclear fusion involves combining light atomic nuclei to release energy, unlike nuclear fission.
• PostThe Institute of Plasma Physics (ASIPP) is the primary body involved in China's fusion research.

For Mains

Q. Discuss the potential of nuclear fusion as a sustainable and clean energy source for global energy security and the technological challenges involved.

Dimensions to cover in your answer

• carbon-neutral energy source
• technological hurdles in plasma confinement
• geopolitical implications of fusion leadership

Keywords: Nuclear Fusion · Sustainable Energy · Plasma Physics · Energy Security · Technological Advancement

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