http://www.engadget.com/2008/08/12/new-nanoantenna-material-sucks-heat-from-any-source-to-cool-de/ This is pretty cool tech. Right now it doesn't work to convert to DC power, but it looks like there is a lot of promise here. Topher ----- I'm tired of choosing the lesser of two evils. Make a real choice for President: www.BobBarr2008.com