In Iran, Uranium is being enriched using centrifuges. In the 1940’s and 1950’s USA Uranium was enriched using mass spectrometry. Why did the Iranians choose not to use mass spectrometry?

Question

whpalmer4 · Answer

gaseous enrichment via centrifuge is more efficient.

anonymous · Answer

Why ? I think mass spectrometry is better.

whpalmer4 · Answer

Okay, you go right ahead and think that.  The folks at Oak Ridge must not have known what they were doing when they shut down the calutrons...

anonymous · Answer

Ok?