The traditional air cooling has, apparently, reached the end of its road, since there is a limit as to how much one can cool today's "Watt Machine" using a block of metal and a fan. As a result of this limitation (and a natural desire of exploration), various alternative cooling solutions have spread in the past years, such as water cooling systems, Peltier based cooling and even gas cooling. However, these radical cooling solutions suffer from two major drawbacks that prevent them from being adopted by the mainstream market: Price and safety



Link: HWZone