This page would look a lot spiffier if you downloaded a standards compliant web browser.

Artifacts for Displaying Home Energy Use
    CoDe Lab Working Paper 2004
    Combining the easy to use characteristics of tangible interfaces with the peripheral representation of ambient displays, two prototype energy displays–Energy Cube and Energy Magnets–were designed to make people aware of their home energy consumption. This paper reports on the design and evaluation of those two displays.