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The secret nuclear material the US forgot how to make

en.wikipedia.org

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Re: The secret nuclear material the US forgot how to make

#6

Is this actually a case of lost knowledge or just classified details being buried so deep even the current NNSA team didn't have access to the original specs?

The old process depended on a small amount of undocumented residue that was removed in the new process.

Obligatory FreeFall reference http://freefall.purrsia.com/ff1500/fc01415.htm