In reply to Robin van Spaandonk's message of Fri, 22 Aug 2008 14:53:05 +1000: Hi, [snip] >In reply to Jones Beene's message of Thu, 21 Aug 2008 18:11:40 -0700 (PDT): >Hi, >[snip] >>One would suspect that a denser metal like Osmium >>would work better, but perhaps there is something >>intrinsic to gold when coherent radiation is involved? >[snip] > >Gold is one of those elements that only has one naturally occurring isotope. >Perhaps this results in "pure" oscillations of the atoms, because they all have >exactly the same mass and hence resonant frequency (for sound).
BTW, a few other metals that share this property are Al, Sc, Mn, Co, Y, Nb, Rh, In, Cs etc. Regards, Robin van Spaandonk <[EMAIL PROTECTED]>