Thermally-Activated Roof Tiles Change Color to Conserve Energy

Since black roof tiles absorb heat and white ones reflect it, we should all just plain re-do our roofs biannually to save energy as the seasons change. Or maybe just get roof tiles that change color on their own. » 12/01/09 8:40pm 12/01/09 8:40pm

Interactive LED Roof Tiles Great For Advertising, Talking Smack About…

These roof tiles by designer Lambert Kamps feature built-in LEDs powered by series of self-contained solar-photovoltaic cells. Owners can program the lights to display static or animated mosaics of text, pictures and other graphics in multiple colors. It appears that these tiles are only concept pieces at this point,… » 10/16/07 8:20pm 10/16/07 8:20pm