"This scenario assumes that ITER will deliver on the promise of tokamak-based fusion. That isn’t guaranteed. Magnetic confinement fusion remains a scientific re

"This scenario assumes that ITER will deliver on the promise of tokamak-based fusion. That isn’t guaranteed. Magnetic confinement fusion remains a scientific research problem rather than an engineering problem, and the engineering issues have barely been touched." Quoted from the first link on your PROTO wikipedia page: https://community.dur.ac.uk/superconductivity.durham/The%20roadmap%20to%20magnetic%20confinement.pdf https://community.dur.ac.uk/superconductivity.durham/The%20r...