I was given this as a present from Prof Hudson, bought from firebox................................................bazinga. !! or not?
Dr Sheldon Cooper, Usa - 11th November 2011
Firebox says: Ta very much for your comment Dr Sheldon! And by 'Ta' we are of course referring to the element Tantalum, atomic number 73, and as you know, 73 is the 21st prime and its reverse 37 is the 12th prime, and..... well, I'm sure you know the rest of the story!