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Science

(38,310 posts)

7. If anyone asks, I want a tungsten nickel clad neptunium-237 sphere for Christmas.

Mon Dec 2, 2019, 01:56 PM

Dec 2019

I'll display it alongside the plutonium Doc stole for his DeLorean.

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Experimental Determination of the Bare Sphere Critical Mass of Neptunium-237. [View all] NNadir Dec 2019 OP

I wonder, is this newly declassified? 5X Dec 2019 #1

I very much doubt that any of this was ever considered classified. NNadir Dec 2019 #4

Thanks for all the info. Interesting to see the personal connection. eppur_se_muova Dec 2019 #5

Tc-99m is generally "milked" from Mo-99. NNadir Dec 2019 #6

Energy from Thorium John ONeill Dec 2019 #9

If I recall correctly - it was some years ago - my... NNadir Dec 2019 #10