I remember seeing the vegtable oil submerged pc a while back, this looks much more fancy but its not a new concept. After that you could google all kinds of work logs on people using motor oil, silicon oil, and distilled water. There are server farms that submerge their hardware in cycled deionized water to keep it cool.
Aspire is exactly right, the Anodic index of copper is about .35 where as aluminum is about .95. Even in the most controlled environments you would not want connections between metals further than .50 apart.
and yes the case is bawlin