We have all experienced that maddening situation. We are midway through a riveting movie or miniseries on television, or just about to save those important edits to a document on our desktop PC, and it happens - power outage. Other times, it is during extreme heat or cold weather and there is no way to know for how long you w ill have to endure without your air conditioner or heating system. Life as we know it has come to a screeching halt. Our world revolves around that prec