In reply to Jones Beene's message of Thu, 12 May 2005 21:23:04 -0700: Hi, [snip] >The natural reactor at Oklo occurred 2 million years ago when all >the uranium on earth was of significantly higher enrichment then >it is now.
According to http://www.curtin.edu.au/curtin/centre/waisrc/OKLO/When/When.html, this was 2 billion (not million) years ago, and the U235% then would have been about 7.9% if I did the sums right. Regards, Robin van Spaandonk All SPAM goes in the trash unread.

