The first rule of liquid cooling is 'Don't wet the chip.' Microsoft disagrees

Redmond suggests Microfluidics' - hair-thin channels etched on silicon to let coolants flow

Electronics don't play nicely with most liquids, which is why liquid cooling in the datacenter is often considered a little dangerous. Microsoft, however, has found a way to dispel such worries with a scheme that sees liquids flow across the surface of chips....