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Magnetic Fridge
Ian Finlay writes: "Scientists at the Ames Laboratory say they have created the world's first magnetic refrigerator, which someday may save consumers money on energy bills and be better for the environment. The AP story is on Yahoo at the usual place."
Assuming that this is in reference to the article, I really doubt that you would want a magnet cooling your computer unless there were some rather radical changes in CPU design that would makt it not involve electricity or NMR quantum computing.
Good point, but nothing says the "magnetic fridge" needs to be located within the PC's case. Insulated tubing could run from the external fridge into a heat exchanger within the case and back to the magnetic fridge (MF). Maybe not so convenient for a single PC. I saw no mention in the article as to efficiency compared to conventional cooling technology, but if this should prove to be more efficient, such a unit could become a standard component within a rack (e.g. in a hosting facility).