Part of the magic of Disneyland is that you never see what's behind the "magic" - the workers in the mascot costumes, the networks of underground tunnels, and all the computers that keep everything running. But for once, it's more interesting to see what's going on with those computers than with Mickey and Goofy- because the heat they generate is being recovered as energy for nearby homes and offices....Read the full story on TreeHugger
