What is China's "Artificial Sun"? -

What is China's "Artificial Sun"? - 
China has successfully completed the first test of its nuclear fision reactor, known as "Artificial sun" because it mimics the energy-generation process of the Sun. Nuclear fision is a promising technology that can produce enormous amounts of clean energy with very few waste products.
The Sun in our galaxy produces energy through a nuclear fusion reaction. Inside the Sun, the hydrogen atoms collide with each other and fuse at extremely high temperatures - around 15 million degrees centigrade - under enormous gravitational pressure. Every second, 600 million tons of hydrogen are fused to create helium. During this process, part of the mass of the hydrogen atoms becomes energy.

The Sun generates energy via nuclear fusion
Nuclear fusion vs nuclear fission
Fusion is a nuclear technology that can produce very high levels of energy without generating large quantities of nuclear waste, and scientists have been trying to perfect it for decades. Currently nuclear power is obtained in the form of fission, a process contrary to fusion (energy is produced by dividing the nucleus of a heavy atom into two or more nuclei of lighter atoms). Fission is eacier to achieve, but it generates waste.

Fusion is a nuclear technology that can produce very high levels of energy without generating large quantities of nuclear waste

HL-2M, the "Artificial Sun"
Recently, China successfully tested its "artificial sun", a nuclear fusion reactor that could generate energy for many years to come if it can be made more sustainable. Fusion is a very expensive process, but China's tests could help researchers in their search for ways to reduce costs.

Fusion is a very expensive process, but China's tests could help researchers in their search for ways to reduce costs

China's "artificial sun" is called HL-2M, a tokamak fusion reactor located at the Southwestern Institute of Physics (SWIP) in Chengdu, China. The reactor generates power by applying powerful magnetic fields to hydrogen to compress it until it creates a plasma that can reach temperatures of more than 150 million degrees Celsius, ten times hotter than the nucleus of the Sun, and generate enormous amounts of energy when the atoms fuse together. The plasma is contained with magnets and supercooling technology.

HL-2M can reach temperatures over 150 million degrees Celsius, ten times higher than the nucleus of the Sun.

economic viability of nuclear fusion by magnetic confinement as a large-scale energy source without CO2 emissions, although it still does not produce electricity. It will be the first fusion site capable of producing net energy and maintain the fusion process over long periods of time, as well as test the necessary materials and technology. This is a previous stage to the construction of a commercial demonstration site, which is expected to begin operation by 2025.

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