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I am sorry to disagree. Fusion is not only an engineering problem. Fusion was not understood in the 50s. H-Mode, which is high confinement was discovered in the 80s. At the same time a bunch of instabilities was discovered. There are theoretical and experimental issues as well.
It's an engineering problem in the same sense that the Apollo program was an engineering problem when it got started in 1960 -- people didn't understand clearly how it would be done or even what problems they would face, but they understood the goals and constraints.
This stands in sharp contrast with AI research, where no one really understands what "intelligence" means or how it's supposed to work.
Whatever the characterisation of the state of nuclear physics in the 50s, this is the crucial point. There is no definable “end goal” in the same way there was in the Apollo program, or that there is in creating a successful fusion power station.
OK I understand what you mean. I don't know what the result would be if we would apply the same Apollo effort in Fusion research. There were instability issues as well at that time and they overcame them by extensive testing and improving knowledge of turbulent fluid mechanics
Yet, in fusion there are theoretical unknowns. How confinement scaling works, how edge instabilities really work and so on. This is turbulent fluid dynamics with electromagnetic fields at three levels of modelling: fluid (MHD), 2-fluids and gyrokinetics. A theoretical hell.
Completely disagree. I am not any expert on plasma fusion after abandoning it in the 70s. However, as much as we don't understand turbulence in liquids, scale that up to a few million degrees, ionize the whole thing, and throw in strong EM forces...
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