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On March 7, Japan's Large Helical Device completes its first deuterium plasma experiment, marking the first fusion in a stellarator device. [55] 2018. Energy corporation Eni announces a $50 million investment in start-up Commonwealth Fusion Systems, to commercialize ARC technology via the SPARC test reactor in collaboration with MIT. [56] [57] [58]
Commonwealth Fusion Systems in 2021 tested successfully a 20 T magnet making it the strongest high-temperature superconducting magnet in the world. Following the 20 T magnet CFS raised $1.8 billion from private investors. General Fusion began developing a 70% scale demo system. [69] In 2018, TAE Technologies' reactor reached nearly 20 M°C. [126]
For example, the ionization energy gained by adding an electron to a hydrogen nucleus is 13.6 eV —less than one-millionth of the 17.6 MeV released in the deuterium–tritium (D–T) reaction shown in the adjacent diagram. Fusion reactions have an energy density many times greater than nuclear fission; the reactions produce far greater energy ...
Between about 2 and 20 minutes after the Big Bang nuclear fusion reactions convert a 1/7 mixture of neutrons and protons in to a mix of protons, deuterium (a proton fused with a neutron), 3 He, 4 He, with trace amounts of 7 Li and 7 Be. These reactions end when the temperature falls below the 0.07MeV needed for nuclear fusion.
A math student decided to build a nuclear fusion prototype in his bedroom with no prior electrical experience. It was done in four weeks. ... He said he spent about $2,000 from start to finish.
On 21 December 2021, JET produced 59 megajoules using deuterium-tritium fuel while sustaining fusion during a five-second pulse, beating its previous record of 21.7 megajoules with Q = 0.33, set in 1997. [28] [40] In October 2023, JET set its final fusion energy record, producing 69.29 megajoules over 6 seconds from only 0.21 mg of D-T fuel.
ITER (initially the International Thermonuclear Experimental Reactor, iter meaning "the way" or "the path" in Latin) [2] [3] [4] is an international nuclear fusion research and engineering megaproject aimed at creating energy through a fusion process similar to that of the Sun.
Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors.