How Smart Windows Work
If you live in the United States, you've probably heard recently about the impending energy crunch that is facing Americans. In the next 20 years, U.S. energy consumption will increase 45 percent for electricity, 62 percent for natural gas and 33 percent for oil, according to the Department of Energy (DOE). The DOE also says that energy supplies will be unable to meet demand for the next two… » Full Story on HowStuffWorks
