Tokamak fusion reactor.
May 6, 2024 · WEST is what's called a tokamak.
Tokamak fusion reactor May 6, 2024 · WEST is what's called a tokamak. Jan 27, 2025 · Now, a new and compact fusion reactor in Spain—the SMall Aspect Ratio Tokamak, or SMART—is further experimenting with negative triangularity at the Plasma Science and Fusion Technology Jan 10, 2025 · At the heart of this effort is the tokamak reactor design, which uses magnetic fields to confine plasma and maintain the necessary conditions for fusion. Jan 22, 2025 · Viable fusion power in a decade? Tokamak Energy dares to dream; ITER delays first plasma for world's biggest fusion power rig by a decade; Joint European Torus experiments end on a 69 megajoules high; World's largest nuclear fusion reactor comes online in Japan; You can see evidence of fusion’s awesome power most days: it’s what makes the The tokamak is currently perhaps the most promising route to mastering thermonuclear fusion. The one exception is the Efficient heat removal for electricity generation: While fusion produces intense energy, the physical structure of tokamak fusion reactors is that of a geometric heat source, poorly configured to efficiently remove the heat produced from the fusion reaction. Sep 30, 2024 · Negative triangularity—a positive for tokamak fusion reactors. Spherical Tokamak for Energy Production (STEP) is a spherical tokamak fusion plant concept proposed by the United Kingdom Atomic Energy Authority (UKAEA) and funded by the UK government. The additional degree of freedom gained by giving up toroidal symmetry might ultimately be usable to produce better confinement, but the cost is complexity in the engineering, the theory, and the experimental diagnostics. The SST-1 project helped India become capable of conceptualizing and making a fully functional fusion based reactor device. This is how ITER plans for its tokamak reactor to scale. Dec 5, 2024. See also AI Tokamak Control where the AI replaces the manual control of this simulator. , 2015). Jan 27, 2025 · In a groundbreaking achievement, China's Experimental Advanced Superconducting Tokamak (EAST), often referred to as the "artificial sun," has set a new world record by sustaining plasma for 1,066 . The team behind the Experimental Advanced Superconducting Tokamak (EAST) in China kept their fusion drive running for more than 1,000 seconds for the first time – lasting for 1,066 seconds (almost 18 minutes) to be exact. The first tokamak, the T-1, started operation in 1958 in Russia, and since then the greatest advances in thermonuclear fusion research have been achieved with tokamaks. Sep 2, 2021. Fusion reactors such as the International Thermonuclear Experimental Reactor ITER use a tokamak, which is a combination of magnets that make a toroidal field and poloidal field. The collaborative efforts within the EUROfusion community are key to optimizing this critical wall conditioning technique, ensuring that tokamaks can operate safely and The concepts of fusion power stations based on tokamak concept is introduced in this chapter, especially with continuous operation, called the Steady State Tokamak Reactor (SSTR). Feb 9, 2022 · The Joint European Torus tokamak reactor near Oxford, UK, is a test bed for the world’s largest fusion experiment — ITER in France. The WEST tokamak machine in southern France managed to maintain plasma for 1,337 seconds on February 12, France's Atomic Energy Commission (CEA) said in a statement. Introduction. The principal aims of the experiment were to investigate: [6] the scaling of plasma behaviour as parameters approach the reactor range, the plasma-wall interaction in these conditions, This reduces the power needed from external heating systems at high Q values. Another approach includes inertial fusion, which uses high-power lasers (or other means) to heat and compress tiny spherical capsules containing fuel pellets. All of them are trying to recreate the power of the sun, here on Earth. Fusion, the nuclear reaction that powers the Sun and the stars, is a promising long-term option for sustainable, non-carbon-emitting energy. KSTAR is a tokamak (donut-shaped nuclear fusion device) located in South Korea. The paper, "Binary Nature of Collisions Facilitates Jan 22, 2025 · The experimental nuclear fusion device known as SMART, has successfully generated its first tokamak plasma, bringing the global quest for sustainable, virtually limitless energy a step closer. That’s because fusion generators like the International Thermonuclear Experimental Reactor (ITER), currently under construction in southern France, will depend on the ability to maintain plasmas for long periods of time. Plasma, the superheated gas where fusion reactions occur, must be confined within astrong magnetic field inside a tokamak reactor. Credit: Christopher Roux (CEA-IRFM)/EUROfusion (CC BY 4. PPPL has a long history of leadership in spherical tokamak research. It might take Apr 16, 2024 · The concept of the spherical, or low aspect ratio, tokamak (aspect ratio defined as the ratio of the torus major radius, R, to the minor radius, a, A = R/a) has been discussed by tokamak scientists since the mid-1970s. Feb 18, 2025 · EAST is a testbed reactor for ITER, an international megaproject in which six countries around the world, including India, and the European Union are working together to build a tokamak that will representing specific components of the ITER tokamak. This repository provides a KSTAR tokamak simulation tool with LSTM-based neural network. It will be the first spherical tokamak to fully explore the potential of negative triangularity. It was the world's first magnetic fusion device to perform extensive scientific experiments with plasmas composed of 50/50 deuterium/tritium (D-T), the fuel mix required for practical fusion power production, and also the first to produce more than 10 MW of fusion power. WEST is situated at the nuclear research center of Cadarache, Bouches-du-Rhône in Provence, one of the sites of the Commissariat à l'Énergie Atomique. The SST-1 System is housed in Institute for Plasma Research, Gandhinagar. Jan 27, 2025 · The Experimental Advanced Superconducting Tokamak reactor in Hefei, Anhui Province has set a new record with a 1,066-second sustained fusion reaction. A critical challenge has been managing the plasma edge instabilities, but recent breakthroughs in understanding how energetic particles interact with these instabilities suggest promising Feb 19, 2025 · France has upped the ante in the quest for fusion power by maintaining a plasma reaction for over 22 minutes – a new record. The SST-1 mission has been led by Indian plasma physicists Prof. 6 (the plasma produces 13 times more fusion energy than is required to heat it), yet is fully non-inductive, with a bootstrap fraction of As of 2015, tokamak devices are leading candidates for the construction of a viable and practical thermonuclear fusion reactor. HH70, designed and built by commercial company Energy Singularity, is smaller and cheaper to produce, paving the way for more commercially viable fusion reactors in the future, said Guo Houyang, co-founder and CTO of Energy Singularity. [2] It was the first industrial prototype fusion reactor to use superconducting magnets to control the plasma . Traditional heat removal designs used in fossil fuel or nuclear fission plants design of a standard tokamak fusion reactor is actually dominated by the constraints imposed by nuclear physics and fusion engineering. The University of Seville fusion team first contacted PPPL to implement SMART in TRANSP, a simulation software developed and maintained by the Lab. Recommended for you. According Feb 4, 2019 · 1. At the heart of this effort is the tokamak reactor design, which uses magnetic fields to confine plasma and maintain the necessary conditions for fusion. The use of nuclear fusion reactions for electricity generation remains theoretical but could provide a safe, clean, and inexhaustible source of energy if developed. It demonstrates how charged high-energy particles can be held Jul 12, 2016 · Over the last 60 years, fusion research has been intensely performed in tokamaks in various laboratories across the world and its remarkable progress leads to an initiation of the ITER project, which is the world's largest tokamak to be designed and operated as the first fusion test reactor of burning deuterium-tritium plasmas . Dozens of facilities use TRANSP, including private ventures such as Tokamak Energy in England. The multibillion dollar project is scheduled for completion in 2025 and seeks These are summarized in the context of a recent tokamak reactor design study which emphasizes reduced size, higher power density, and enhanced plant reliability and maintainability relative to earlier tokamak reactor design studies. [ 3 ] ITER will rely on a sophisticated system of superconducting magnets consisting of the central solenoid, which can be described as its backbone; the correction coils, which will reduce magnetic errors created due to the location and geometry of other coils; 6 Poloidal Field coils responsible for the shape and stability of the plasma, and 18 Toroidal Field (TF) coils which will create a magnetic Feb 14, 2025 · The Experimental Advanced Superconducting Tokamak in Hefei is one of 40 fusion reactors being developed across the world. Pieces / Dimensions 76 / 30x21,5x19 cm Dec 5, 2024 · A research team has clarified the mechanism behind the generation of runaway electrons during the startup phase of a tokamak fusion reactor. HTS Coils: These advanced coils reduce reactor size and manufacturing costs while enabling high-pressure plasmas in a compact system. The tokamak is currently perhaps the most promising route to mastering thermonuclear fusion. The paper started as a design class taught by Whyte and became a student-led project after the class ended. Nov 16, 2024 · The challenges of capturing the heat produced in a tokamak or other fusion reactor will be even greater, so it’s almost certain the efficiency will be lower still. Operated by the Hefei Institutes of Physical Science conducting its experiments for the Chinese Academy of Sciences , EAST began its operations in 2006. Credit: ITER What Is a Tokamak? A tokamak is a machine that confines a plasma using magnetic fields in a donut shape that scientists call a torus. Japanese experimental nuclear fusion reactor inaugurated. Free STL files for 3D printing of a model of the tokamak, an experimental thermonuclear reactor for fusion research with magnetic coils. The point where the heat is released from the fusion reactions in the plasma is equal fusion energy. The paper, "Binary Nature of Collisions Facilitates Feb 19, 2025 · 1,337 seconds: that was how long WEST, a tokamak run from the CEA Cadarache site in southern France and one of the EUROfusion consortium medium size Tokamak facilities, was able to maintain a As a large tokamak experiment, JET was designed to study plasma behaviour in conditions and dimensions approaching those required in a fusion reactor. Both reactor types make use of the fact that charged particles react to magnetic forces. SMART is unique because of its flexibility to generate plasmas with different shapes. 2 T. The largest tokamak of its time, JET, with a plasma volume of 80 m 3 , came closest to the scientific breakeven point in 1997, when it achieved Q = 0. If the plasma Feb 18, 2025 · Nuclear Fusion Reactor. DEMO, a Tokamak reactor, requires both dense plasma and high temperatures for the fusion reaction to be sustained. [1] These reactors may be used to generate sustainable energy while ensuring a lower environmental impact and a smaller carbon footprint than fossil fuel-based power plants. It will count millions of components, operated by cutting-edge systems, so as to measure its performance, and draw lessons for a future commercial fusion power plant. Fusion energy is the ultimate energy source for humanity 16. It uses a special magnetic cage in the shape of a torus, which can safely isolate the plasma from the walls of the vessel and in which it is possible to increase the temperature of the fuel and finally start thermonuclear fusion. The two code samples I attached are a simulation of a nuclear fusion reactor. HL-2M or HL-3 is a research tokamak at the Southwestern Institute of Physics in Chengdu, China. Jun 20, 2024 · The SMART tokamak (Image: University of Seville) SMART (Small Aspect Ratio Tokamak) is unique due to its flexibility to generate plasmas with different shapes. 1. A tokamak is a device that uses magnetic fields to confine plasma in a torus shape for controlled thermonuclear fusion. Harnessing fusion's power is the goal of ITER—designed as the key experimental step between today's fusion research machines and tomorrow's fusion power plants. Jan 30, 2025 · The International Thermonuclear Experimental Reactor (ITER) project is a cooperation between the European Union, the United States, China, India, Japan, Russia, and South Korea to build in southern France a prototype fusion reactor with the world’s largest tokamak. A tokamak is a device that uses magnetic fields to confine and heat a plasma of hydrogen fuel for fusion. Learn about the origins, development, and challenges of tokamak research, from the first experiments in the 1950s to the international ITER project. 67. Jun 1, 2023 · Given the relative paucity of data for the cost of small fusion reactors, we next calculate their cost based on the scaling laws and cost breakdowns from the previous sections. Open the GUI by typing below. After the introduction of fusion reaction in Sect. Jan 21, 2025 · Researchers reveal the mechanism of runaway electron generation in tokamak fusion reactors. Fusion energy scientists believe that tokamaks are the leading plasma confinement concept for future fusion power plants. Dec 10, 2024 · As research and techniques continue to evolve, boronization will further improve fusion reactor performance and contribute to the success of future fusion energy projects. If the plasma becomes unstable, the reaction stops. The tokamak uses powerful external magnetic fields to confine and control the hot plasma of fusion fuels in a ring-shaped container called a ‘torus’. ” Most approaches to creating commercial fusion favour the use of two hydrogen variants – deuterium and tritium. [1] Funding has come from Eni , [ 2 ] Breakthrough Energy Ventures , Khosla Ventures , Temasek , Equinor , Devonshire Investors, and others. Jan 30, 2025 · A technician works on the Experimental Advanced Superconducting Tokamak (EAST), a nuclear fusion reactor, in Hefei, Anhui province, China, in 2018 (Reuters) An experimental nuclear fusion reactor in China last week triggered a lot of excitement by keeping its operational state maintained for more than 1,000 seconds, or over 17 minutes, which is Jul 7, 2013 · There is some concern that conventional fusion may be "dirty", even as dirty as current fission power, because the reactor case will need to be replaced often owing to the huge damage it sustains from absorbing so many neutrons (indeed, as discussed in Anna V's answer, the neutron is the main carrier of kinetic energy, so it would be the case May 9, 2024 · A tokamak reactor in France called WEST recently upgraded from a carbon interior to one made of tungsten and successfully contained plasma at 50 million degrees Celsius for six minutes at higher The First Reactor; Pressurized Water Reactor (PWR) Boiling Water Reactor (BWR) Heavy Water Reactor (PHWR) Gas-cooled Reactor (GCR) and Advanced Gas-cooled Reactor (AGR) RBMK Type Reactor; High Temperature Reactor (HTGR) Reactor Using Fast Neutrons (FR) The Future of Fission Reactors; Thermonuclear Fusion; ITER Tokamak Interactive 3D Model Aug 10, 2015 · The proposed reactor, using a tokamak (donut-shaped) geometry that is widely studied, is described in a paper in the journal Fusion Engineering and Design, co-authored by Whyte, PhD candidate Brandon Sorbom, and 11 others at MIT. Tore Supra operated between 1988 and 2010. The paper presented at APS, Early design workflow and progress of Tokamak Energy’s high-field spherical tokamak fusion pilot plant for the US DOE Milestone-Based Fusion Development Program, was delivered by Erik Maartensson. Sep 30, 2024 · As part of the global effort to harness power from fusing plasma, scientists worked on the computer codes, engineering and physics for a new and unique fusion reactor: the SMall Aspect Ratio Tokamak. When deuterium and tritium fuse together they produce May 11, 2024 · The path of tokamak fusion and International thermonuclear experimental reactor (ITER) is maintaining high-performance plasma to produce sufficient fusion power. The bigger a tokamak is, the more fusion-reaction-produced energy is preserved for internal plasma heating (and the less external heating is required), which also improves its Q-value. The toroidal field has the shape of a torus that surrounds the plasma, and the poloidal field moves in circles around the plasma. [1] It was completed on November 26, 2019 and commissioned on December 4, 2020. SPARC is a tokamak under development by Commonwealth Fusion Systems (CFS) in collaboration with the Massachusetts Institute of Technology (MIT) Plasma Science and Fusion Center (PSFC). Jan 29, 2025 · The SMART (Small Aspect Ratio Tokamak) reactor – an experimental fusion device designed, built and operated by the Plasma Science & Fusion Technology Laboratory of the University of Seville, Spain – has generated its first plasma. This effort is hindered by the Toroidal machines can be axially symmetric, like the tokamak and the reversed field pinch (RFP), or asymmetric, like the stellarator. Aug 21, 2024. ITER will be the largest Tokamak device to test magnetic confinement to produce fusion energy. The T-15 (or Tokamak-15) is a Russian (previously Soviet) nuclear fusion research reactor located at the Kurchatov Institute, which is based on the (Soviet-invented) tokamak design. Feb 19, 2025 · France has upped the ante in the quest for fusion power by maintaining a plasma reaction for over 22 minutes – a new record. 1 m, and an on-axis magnetic field of 9. At the most basic level, a fusion reactor requires fusion fuel—in most cases an equal mixture of the hydrogen isotopes deuterium and tritium—to be heated so that it first ionizes, producing a plasma of electrons and ions, and then, at a much higher temperature, for the ions to collide together with such force that they overcome their mutual repulsion and fuse. It consists of a complex system of magnetic fields that confine the plasma of reactive charged particles in a hollow, doughnut-shaped container. Y. 12 at the Commissariat à l The mission of the DIII-D Research Program is to establish the scientific basis for the optimization of the tokamak approach to fusion energy production. Japan’s JT-60SA uses magnetic fields from superconducting coils to contain a blazingly hot cloud of ionized gas, or plasma, within a doughnut-shaped vacuum vessel, in hope of coaxing hydrogen nuclei to fuse and release energy. Oct 18, 2024 · Tokamak Inc has received seven previous awards through the US Innovation Network for Fusion Energy programme. It has been designed as a medium-sized tokamak with superconducting magnets. In parallel Dec 22, 2024 · Tokamak Configuration: Chosen for its well-established research data and scalability, the tokamak design allows for efficient plasma confinement and system integration. Feb 20, 2023 · The world’s largest tokamak, ITER, is currently under construction in France, with 35 countries involved in the project. Key Features of EAST Reactor: ARC is planned to be a 270 MWe tokamak reactor with a major radius of 3. Triangularity refers to the shape of the plasma relative to the tokamak. What is the EAST Reactor? EAST (Experimental Advanced Superconducting Tokamak) is a nuclear fusion research reactor designed to test and improve magnetic confinement for controlled fusion. It's a donut-shaped fusion reactor the size of an 8-by-8-foot room with 8-foot-tall ceilings, capable of generating the same type of energy that powers our sun Jun 24, 2024 · Next-Generation Tokamak. Dec 1, 2023. Quenching the intense heat of a fusion plasma may require a well-placed liquid metal evaporator. 78 m, the Apr 2, 2024 · By test-driving the new components, KSTAR is paving the way for the International Thermonuclear Experimental Reactor (ITER) – which could be the world's largest tokamak fusion reactor if it can overcome budget blow-outs and technical hurdles. HL-2M is now used for nuclear fusion research, in particular to study heat extraction from the plasma. With India now confident of being able to scale up tokamak size, field strength, heating power and pulse length, the focus is inevitably shifting towards fusion reactor design, materials and remote handling. C This hot, electrically charged gas easily becomes unstable, which can lead to lost energy and limit the efficiency of a possible future nuclear fusion reactor. Jan 30, 2021 · ITER fusion reactor tokamak. 12 at the Commissariat à l JT-60 (short for Japan Torus-60) is a large research tokamak, the flagship of the Japanese National Institute for Quantum Science and Technology's fusion energy directorate. 3 m, a minor radius of 1. The tokamak (an acronym from the Russian words for toroidal magnetic The Tokamak Fusion Test Reactor (TFTR) operated at the Princeton Plasma Physics Laboratory (PPPL) from 1982 to 1997. The one exception is the Oct 31, 2023 · The long trek toward practical fusion energy passed a milestone last week when the world’s newest and largest fusion reactor fired up. [ 1 ] DIII-D was built on the basis of the earlier Doublet III, the third in a series of machines built at GA to experiment with tokamaks having non-circular plasma cross sections. 1,32 As a possible option for a fusion reactor, it was first introduced by Jassby in 1977 in “SMARTOR—A Small-Aspect-Ratio Torus for Demonstrating Thermonuclear Fusion. design of a standard tokamak fusion reactor is actually dominated by the constraints imposed by nuclear physics and fusion engineering. 1, tokamak fusion reactor designs based on pulsed and steady state operations are introduced in Sect. Jun 24, 2024 · China has launched the world’s first fully high-temperature superconducting tokamak device, named HH70, in the Municipality of Shanghai. More deals I created a tokamak fusion reactor simulation in Matlab as part of a project at university. ” 1 Feb 21, 2025 · The development is a major milestone in the quest to develop nuclear fusion as a viable method of clean and efficient energy. High temperatures give the nuclei enough energy to overcome their electrostatic repulsion . The milestone was reached on Feb. Just like the one in the Culham Centre for Fusion Energy in the UK. The 3D model of ITER, the largest experimental thermonuclear reactor ever built, where the fusion reaction between deuterium and tritium will be explored. On June 19, fusion energy company Energy Singularity announced that the world's first full high-temperature superconducting tokamak device had achieved its first plasma “Unlike large pure fusion reactors, compact spherical tokamaks may be used to produce high-energy fast neutrons economically, which can breed fuel for traditional nuclear reactors or burn their Jan 22, 2025 · China's EAST project has set a new global record by maintaining a high-confinement plasma state for over 17 minutes, paving the way for future clean energy solutions by mimicking the sun's fusion process. TFTR was designed with the explicit goal of reaching scientific breakeven. The ARC machine proposed by CFS is the most developed small fusion reactor concept design and has published the most detailed design data (Sorbom et al. To develop it, the researchers unfolded the block structure of the previously devised C-model in seven instances, covering 280 degrees of the Jan 4, 2021 · Fortunately, substantial experience in neutron detector calibration in fusion devices exists (for example, from old and new JET campaigns 16,17,18,19,20,21,22, TFTR (Tokamak Fusion Test Reactor After a major upgrade to install tungsten walls and a divertor, the tokamak was renamed WEST (the name alludes to EAST, [2] another tokamak). Currently, these are the most promising concepts for future fusion energy plants. The Tokamak Fusion Test Reactor (TFTR) was an experimental tokamak built at Princeton Plasma Physics Laboratory (PPPL) circa 1980 and entering service in 1982. Oct 2, 2024 · Simulation and Diagnostics. [ 1 ] [ 2 ] [ 3 ] The project is a proposed DEMO -class successor device to the ITER tokamak proof-of-concept of a fusion plant, the most advanced tokamak The Experimental Advanced Superconducting Tokamak (EAST), also known as HT-7U (Hefei Tokamak 7 Upgrade), is an experimental superconducting tokamak magnetic fusion energy reactor in Hefei, China. 0) Jan 30, 2025 · Fusion reactor, a device to produce electrical power from the energy released in a nuclear fusion reaction. Mar 12, 2025 · Tokamak, device used in nuclear-fusion research for magnetic confinement of plasma. 2. Dec 5, 2024 · A research team has clarified the mechanism behind the generation of runaway electrons during the startup phase of a tokamak fusion reactor. It serves as a testbed for ITER, helping scientists develop technologies for sustained plasma stability. Jan 10, 2025 · Researchers are closing in on the potential of nuclear fusion, the process that powers the stars, as a clean and inexhaustible energy source. TFTR set a number of world records, including a plasma temperature of 510 million degrees centigrade -- the highest ever produced in a laboratory, and well beyond the 100 million degrees required for commercial fusion. The First Reactor; Pressurized Water Reactor (PWR) Boiling Water Reactor (BWR) Heavy Water Reactor (PHWR) Gas-cooled Reactor (GCR) and Advanced Gas-cooled Reactor (AGR) RBMK Type Reactor; High Temperature Reactor (HTGR) Reactor Using Fast Neutrons (FR) The Future of Fission Reactors; Thermonuclear Fusion; ITER Tokamak Interactive 3D Model F rench scientists achieved a milestone in fusion energy research by maintaining a plasma reaction for over 22 minutes in the WEST tokamak reactor, surpassing the previous world record. ITER Tokamak - Online 3D - Free Downloads - Energy Encyclopedia Aug 28, 2024 · The world’s most well-known fusion experiment is the US$22-billion International Thermonuclear Experimental Reactor (ITER), a giant tokamak being constructed in southern France, to which China Dec 4, 2023 · No matter which process—be it tokamak reactors or ICF lasers—a successful nuclear fusion facility could play a major role in finally shifting humanity away from fossil fuels. The direct plant cost of the proposed reactor is estimated to be in the range $1000 to $1500 per electrical kilowatt. It is an Aug 4, 2024 · High-power thyristors are crucial in Tokamak fusion reactors because they control the substantial electrical currents needed to create and sustain the extreme conditions required for nuclear fusion. Feb 8, 2024 · “We can reliably create fusion plasmas using the same fuel mixture to be used by commercial fusion energy powerplants, showcasing the advanced expertise developed over time. It was first developed in the Soviet Union in the 1960s and was soon adopted by researchers around the world due to its enhanced performance compared with other approaches. [ 2 ] The design point has a fusion energy gain factor Q p ≈ 13. China's Experimental Advanced Superconducting Tokamak (EAST), also known as the "artificial Apr 21, 2022 · Alongside research into blanket materials there is also a thrust toward towards developing fusion fuel cycle and tritium systems. W ith one exception, virtually no input from achievable plasma physics performance is required to determine the main design parameters of the reactor: 00, , , , ,,, , ie E aR B TT pn I t. If two-thirds of the heat the Jan 29, 2025 · ITER, currently under construction in southern France, is poised to become the world’s largest magnetic confinement plasma physics experiment and the largest experimental tokamak nuclear fusion reactor once completed. A promis-ing approach is a steady-state fusion reactor using magnetic confine-ment in the tokamak configuration17,18 Jan 28, 2025 · Scientists just set a new record in attempts to create an 'artificial Sun' down here on planet Earth. Learn how a tokamak works, its history, and its challenges for producing electricity. The most common fusion reactors of that kind are tokamaks and stellarators. [2] [3] With a major radius of 1. Strong magnets in the reactors keep the ions confined. China has achieved a major milestone in the Jan 30, 2025 · Fusion reactor, a device to produce electrical power from the energy released in a nuclear fusion reaction. unrecspuquzasdfjpkpgdvxltnpgybgngpzfnwgfywjzxakianynzerhwmglujfwsvvslwbaspo