9 cool money-saving gadgets that pay for themselves

These smart home gadgets and nifty kitchen finds will help lower your energy and grocery costs.
来自MSN

Inside the US Army’s Soldier Borne Sensor Program

U.S. Army infantry cadre assigned to 1st Battalion, 166th Regiment – Regional Training Institute, Pennsylvania Army National Guard conduct Soldier Borne Sensor (SBS) training at Fort Indiantown Gap ...