On the Horizon

In November, Chinese researchers announced that the Experimental Advanced Superconducting Tokamak (EAST) reactor — an “artificial sun” designed to mimic the nuclear fusion process the real Sun uses to generate energy — had hit a milestone by achieving an electron temperature of 100 million degrees Celsius.

Now, officials are saying they believe they’ll wrap up construction on a new artificial sun this year, and they claim this device will be able to hit a milestone in ion temperature — putting us one step closer to harnessing the power of nuclear fusion.

Hot Tech

On Sunday Duan Xuru, an official at the China National Nuclear Corporation, announced during the annual session of the Chinese People’s Political Consultative Conference that engineers would wrap up construction on the nation’s HL-2M Tokamak in 2019.

“The artificial sun’s plasma is mainly composed of electrons and ions,” Duan told the media, according to the Global Times, “and the country’s existing Tokamak devices have achieved an electron temperature of over 100 million degrees C in its core plasma, and an ion temperature of 50 million C, and it is the ion that generates energy in the device.”

Tokamak

According to Duan, the HL-2M Tokamak will be able to achieve an ion temperature of 100 million degrees Celsius, about seven times hotter than the real Sun’s ion temperature. This meets meeting what the Global Times calls “one of the three challenges to reach the goal of harnessing the nuclear fusion.”

If he’s right, the device could serve as a template for future nuclear fusion reactors, bringing the dream of unlimited clean energy one step closer to reality.

READ MORE: Nation to complete new artificial sun device this year [Global Times]

More on the device: China’s “Artificial Sun” Is Now Hot Enough for Nuclear Fusion

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China: New “Artificial Sun” Will Be Completed This Year