Nuclear fusion research aims to replicate the Sun's energy production on Earth, with key milestones from the Tamm-Sakharov tokamak concept to modern superconducting tokamaks and laser ignition. This timeline covers theoretical foundations, experimental devices, and recent breakthroughs in fusion energy.
Greek philosopher Democritus proposes that matter is composed of indivisible atoms, laying early groundwork for understanding nuclear processes. #science #philosophy
Arthur Eddington suggests that stars are powered by nuclear fusion of hydrogen into helium, providing the theoretical basis for fusion energy. #science #astronomy
John Cockcroft and Ernest Walton use a particle accelerator to split lithium atoms, demonstrating nuclear transformation. #physics #science
Ernest Rutherford observes the first artificial fusion reaction by bombarding deuterium with deuterons. #physics #science
Hans Bethe explains the proton-proton chain reaction that powers the Sun, winning the Nobel Prize. #science #astrophysics
Enrico Fermi's team achieves the first self-sustaining nuclear chain reaction, leading to nuclear power and weapons. #physics #history
George Paget Thomson patents the Z-pinch concept for magnetic confinement fusion. #physics #fusion
Andrei Sakharov and Igor Tamm propose the tokamak design for magnetic confinement fusion, using a toroidal magnetic field. #physics #fusion
Lyman Spitzer proposes the stellarator, an alternative magnetic confinement device. #physics #fusion
The US detonates the first thermonuclear weapon, demonstrating uncontrolled fusion. #history #weapons
The Zero Energy Thermonuclear Assembly (ZETA) in the UK begins experiments, initially claiming fusion neutrons. #physics #fusion )
The Soviet Union builds the T-1 tokamak, the first of its kind, at the Kurchatov Institute. #physics #fusion
The Soviet T-3 tokamak reaches electron temperatures of 1 keV, sparking global interest in tokamaks. #physics #fusion
John Nuckolls proposes using lasers to compress fusion fuel, initiating inertial confinement fusion research. #physics #fusion
The Princeton Large Torus (PLT) starts operation, later achieving record ion temperatures. #physics #fusion
The US approves construction of the Tokamak Fusion Test Reactor (TFTR) at Princeton. #physics #fusion
The European Community approves the Joint European Torus (JET) project, the largest tokamak at the time. #physics #fusion
JET starts plasma experiments in the UK, becoming the world's largest tokamak. #physics #fusion
The International Thermonuclear Experimental Reactor (ITER) project is launched as a collaboration between the US, USSR, EU, and Japan. #physics #fusion
Japan's JT-60 tokamak begins operation, later achieving high plasma performance. #physics #fusion
JET generates 1.7 MW of fusion power using a deuterium-tritium mixture, a world first. #physics #fusion
The Tokamak Fusion Test Reactor produces 10.7 MW of fusion power, a record at the time. #physics #fusion
JET achieves 16 MW of fusion power with a Q value of 0.62, the highest for a tokamak. #physics #fusion
JT-60 achieves a fusion triple product equivalent to Q=1.25, demonstrating break-even conditions. #physics #fusion
China becomes a full member of the ITER project, contributing to the international fusion effort. #physics #fusion
China's Experimental Advanced Superconducting Tokamak (EAST) achieves its first plasma, the first superconducting tokamak. #physics #fusion
The ITER organization is established and construction of the reactor in Cadarache, France, begins. #physics #fusion
The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory is completed, aiming for laser fusion ignition. #physics #fusion
South Korea's KSTAR superconducting tokamak achieves first plasma, contributing to fusion research. #physics #fusion
Germany's Wendelstein 7-X stellarator, the largest of its kind, is completed to test advanced magnetic confinement. #physics #fusion
China's EAST tokamak reaches plasma temperatures over 100 million degrees Celsius. #physics #fusion
The Wendelstein 7-X stellarator produces its first helium plasma, validating its design. #physics #fusion
Assembly of the ITER tokamak starts, with components arriving from around the world. #physics #fusion
EAST sustains a plasma for over 100 seconds at high temperature, a milestone for steady-state operation. #physics #fusion
KSTAR achieves a plasma temperature of 100 million degrees Celsius for 1.5 seconds. #physics #fusion
KSTAR maintains a 100 million degree plasma for 20 seconds, advancing long-pulse operation. #physics #fusion
EAST sets a world record by sustaining a plasma for 1056 seconds, demonstrating long-pulse capability. #physics #fusion
The National Ignition Facility achieves a net energy gain in a fusion reaction for the first time, producing 3.15 MJ from 2.05 MJ input. #physics #fusion
JET conducts its final D-T experiments, producing a record 69 MJ of fusion energy over 5 seconds. #physics #fusion
ITER announces a revised schedule with first plasma now expected in 2035 due to technical challenges. #physics #fusion
Commonwealth Fusion Systems' SPARC tokamak, using high-temperature superconductors, progresses toward first plasma. #physics #fusion )
