Before the advent of computer aided design (CAD) systems to coordinate building designs, hand-drafted prints were the standard. As the advantages of using CAD systems became better understood and ...

Picture this: The CEO of a major corporation arrives early at his company's 40-story office building. He swipes his access card and the door from the underground parking garage immediately unlocks, ...

February 16, 2009 When we think green house emissions, fume spewing factories and highways choked with gas guzzling vehicles are usually the first images that spring to mind, but it may surprise some ...