From: "Vintage Computer Festival"
<vcf(a)siconic.com>
On Tue, 7 Sep 2004, Pete Turnbull wrote:
  I'm surprised nobody has thought of the
obvious: mercury is
 considerably denser than glass, so the glass would float on the
 surface.  All you have to do is skim it.  Never mind skimmed milk,
 Sellam, you can have skimmed quicksilver ;-) 
I noticed it was actually staying on the surface, but I don't want to
touch it!  That'd be dangerous.  I just want to quaff it.