Sakharov-Tamm 1950 tokamak; ITER 2025 first plasma + 2035 D-T target; Lawson criterion n tau T >= 3 x 10^21 m^-3 s keV; NIF inertial 2022 ignition demonstration.
Sakharov-Tamm 1950 tokamak; ITER 2025 first plasma + 2035 D-T target; Lawson criterion n tau T >= 3 x 10^21 m^-3 s keV; NIF inertial 2022 ignition demonstration.