Experimental advanced superconducting tokamak (EAST): A record to new experiment?

Describing the EAST Reactor

• Experimental Advanced Superconducting Tokamak or we can say EAST, a nuclear fusion research reactor. It tests and improves the magnetic confinement to control the fusion.
• ITER uses it as a testbed to develop technologies to achieve long-term plasma stability.

EAST Reactor cores salient features include

• The superconducting magnets that confine the plasma use both poloidal and toroidal magnetic fields.
• High-temperature plasma: To stimulate fusion reactions it reaches temperatures above 100 million degrees Celsius.
• Longer Plasma Confinement: Designed to keep high-confinement plasma in steady state for longer time.
• Supports Global Fusion Research: provides a public test bed for global fusion technology cooperation.
• Connectivity to ITER: provides data which is crucial for the future development of the fusion reactor in ITER

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New Developments at EAST Reactor

• Reclaimed the world record from 2023 of 403 seconds when it maintained plasma for 1, 066 seconds in January 2025.
• Heating system output power was doubled, ensuring stable plasma operation for longer.
• Superconducting magnet efficiency has improved, a key step toward self-sustaining nuclear fusion.

It is the step towards sustainable energy and major achievement in nuclear fusion research. It carves the path to the development of a self-sustaining fusion reactor.