The secret nuclear material the US forgot how to make

The secret nuclear material the US forgot how to make(en.wikipedia.org)

8 points by historical1234 5 hours ago | 3 comments

Why did you editorialise the title?

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?

ahazred8ta 3 hours ago | |

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