Water cooled laptops by Hitachi

Hitachi Ltd. will install a water-cooled radiation mechanism in a product scheduled to the released at the end of September. A tank for storing the solution, or the cooling medium, is installed at the back of LCD display.
...there were two reasons why the decision has been made on using it this time. First, it wanted to make a laptop that is quiet and has the same level of performance as a desktop PC.