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Too energy efficient to think

[youtube=http://www.youtube.com/watch?v=1OSrTKklGOI] If you were walking through Millennium Park this past November, you might have seen Lumenhaus, an energy efficient house designed by a team of students and faculty from Virginia Tech. The prototype house is designed to run entirely on solar energy, using a combination of solar voltaic cells, insulation, and geo-thermal heating to keep […]