Date   : Thu, 28 Oct 2010 21:59:27 +0100
From   : jgh@... (J.G.Harston)
Subject: Reversing the Tube ULA (destructively)

Pete Turnbull wrote:
> /aqua regia/ (the 1:3 mixture of conc nitric and hydrochloric
> acids that is almost the only acid to dissolve gold).

Apparently, Niels Bohr "hid" his, von Laue's and Frank's Nobel medals by
dissolving them in aqua regia to prevent the Nazis finding them.

-- 
J.G.Harston - jgh@...