Wikipedia contains the high-level notions of how to make these things, not the details of how to solve the engineering challenges such as achieving supercriticality. You won't find that on any publicly disseminated document, you'll just have to figure it out by running your own nuclear development program.
It seems like every country that has been "allowed" to use nuclear weapons has figured it out though. It isn't like there are any that set off on this course and failed. AFAIK they all pretty much succeeded except Iran, probably because of all the blowing up of enrichment facilities. South Africa pulled it off. Israel pulled it off. North Korea pulled it off. India and Pakistan both pulled it off. Seems like anyone can do it if allowed to be pursued. France and England pulled it off. Canada too. What is "assumed" about the design in public knowledge seems pretty much solved in all but the exact nuance of how the secondary is triggered via gamma or xray, going off the Wikipedia article at least:
"The crucial detail of how the X-rays create the pressure is the main remaining disputed point in the unclassified press."
Then the article goes on to list the three leading theories. This seems like something you can probably evaluate for sure with a few bomb tests, again, if allowed by the controller of the planet, the USA.
I don't understand what your argument is. I never claimed that it was impossible to develop nuclear weapons if you don't already know how to do it. That every country that has attempted it has succeeded is not the same as "there's a recipe book you can find online that you can just follow to the letter and build your own nuclear bomb, provided you have the resources". If such a book existed it would drastically lower the barrier to build a nuclear bomb, because you could skip the science part and just follow the recipe, certain that it would work. To be clear, such books exist for drug manufacture; they exist neither for semiconductor manufacture nor for WMD manufacture.
The hard part has seems to be the metallurgical process of enriching the material (and doing it in secret), not the actual building of the bomb. I bet if you asked any physics grad student they could build you a viable bomb.
What do you mean exactly? They could build something that goes boom, they could build first try a 100% yield fission bomb...? Just because someone builds an explosive device that incorporates fissile material into the design doesn't mean they've cracked the problem. I bet I could build a "viable bomb" if you give me the resources, I just can't say with any certainty it won't fizzle or it won't be a dirty bomb. Can you do your deterrence with a warhead filled with C4 strapped to uranium ore, while I use the money saved to go on vacation?
Did you really create a 3d model if you didn’t hand type all of the vertex coordinates? Anything less is cheating by using cheating tools and isn’t art. Oh you had to use a deform tool? Pathetic. Can’t calculate your own circle approximations at various details? Good. If you can’t do it, it shouldn’t happen.
It's all the same gate keeping bullshit of people who are afraid of losing their edge to the average person. It's been played out over and over again every single time there is an innovation that lowers the barrier to entry to a field. Adapt or perish. It's never been any different.
I have an Osprey backpacking pack that's about 10 years old. I had a squirrel chew through the zipper on the removable pouch. I sent it off to Osprey to be repaired and they sent me a brand new pouch.
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