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Tag Archives: Efficiency

Lighting goes digital

By Cynthia Graber / September 23, 2008

Brighter and more efficient, LED lights are on the horizon

Posted in Technology & Engineering | Tagged Efficiency, electric circuits, incandescent, LED, light, light bulbs, physics

Cold House, Hot House, Green House

By Emily Sohn / October 12, 2004

Saving energy at home requires paying attention to the building’s windows, walls, and roof.

Posted in Technology & Engineering | Tagged Alternative energy, conservation of energy, Efficiency, energy, energy source, forms of energy, Heat Energy loss, House design, physics