18-year-old???s breakthrough invention can recharge phones in secondsBy Stephen C. WebsterSunday, May 19, 2013 18:42 EDTAn 18-year-old science student has made an astonishing breakthrough that will enable mobile phones and other batteries to be charged within seconds rather than the hours it takes today???s devices to power back up.Saratoga, Calif. resident Eesha Khare made the breakthrough by cre