The Crucible has posted a web exclusive review of Thermaltake's newest all copper heat pipe cooler the Tower112. The unit is rather huge, but it really performs.

Seems like heat pipe is the buzz word of the cooling companies lately. If you look around nearly every major heat sink company has utilized this technology. So what is a heat pipe and why is everyone jumping on the bandwagon? What could 40 year old technology offer to combat today's hot processors?