I vaguely remember seeing pictures of that micro-lab in some old magazines. I guess that I was about 7 or 8 at the time. The image produced by jjj resurrected the memory.
U238, Wow. Its probably only ore but it can be concentrated.
Hi Adam, Xray imaging was used extensively until people began turning up with various inflictions as a result of xray exposure. People soon learnt.
Cheers
