Scythe MINE CPU Cooler
 

With the base of the heat pipes welded or otherwise bonded to the copper
core, heat is transferred to the solution within the pipes, which evaporates,
rises through the fins where it is cooled, condensing and running back down
the pipes to be heated once more. There are 6 pipes altogether on this design,
and if I had any doubts as to the feasibility of heat pipes before, I
certainly don't anymore.