Well this is scary, The Wall Street Journal is reporting that a possible small scale attack to a a power grid can knock out power all across the country for more than a year. “The United States is divided into three major power networks: Texas, the western half of the U.S. and the eastern half. Coordinated attacks in those three grids, pictured above, would knock out power to nine of the nation’s 55,000 electric substations. That would be enough to achieve a nationwide blackout.” Well that is frightening to hear, watch the video after the jump.