Recently, China’s Experimental Advanced Superconducting Tokamak (EAST) set a world record by sustaining a plasma for 1,066 seconds at 100 million degrees Celsius.
o EAST is a superconducting tokamak (donut-shaped nuclear fusion reactor) developed by China for achieving controlled nuclear fusion.
o It is the world’s only tokamak that uses both toroidal and poloidal magnetic fields for plasma confinement.
o Magnetic Confinement: Uses superconducting electromagnets to generate strong magnetic fields for plasma stabilization.
o Plasma Heating: Plasma reaches millions of degrees Celsius to allow deuterium-tritium fusion.
o Energy Generation: The fusion reaction produces helium-4, neutrons, and 17.6 MeV of energy, which can be converted into electricity.
o Tokamaks (EAST, ITER): Use magnetic confinement but require external current for plasma stability.
o Stellarators: More complex but offer continuous plasma confinement without additional electric currents.
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