Thanks Wooly
Ive just been reading up on Mercury Radium.
It seams that mercury was used as a primitive way of extracting radium from uranium salts. If the mercury was being used for that, then it would have been a nice toy for scientists, but useless for making nuclear bombs.
I'm starting to doubt that japan or Germany had the technology for using mercury as a coolant in the war years. I know it was used in the 1950s - 1980s as a coolant.
They where probably just playing about with radium tho.
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