You have me wondering about that as well. If the uranium was going to be enriche...

		mannykannot 5 days ago \| parent \| context \| favorite \| on: Oklo, the Earth's Two-billion-year-old only Known ... You have me wondering about that as well. If the uranium was going to be enriched for use in a light-water reactor (I would guess it was), maybe the difference translates into needing more stages of enrichment to reach the required level?