"CNN) -- A tiny device that can recharge cell phone batteries in as little as 30 seconds won 18-year-old Eesha Khare a major science award that will help fund her college education at Harvard University. Khare traveled from her California home to Phoenix last week for the Intel International Science and Engineering Fair, where her invention was honored as one of two winners of Young Scientist Awards. "I'm in a daze. I can't believe this happened," Khare, a senior at Lynbrook High School in Saratoga, told CNN affiliate KPIX 5. Khare's device, a black, rectangular type of supercapacitor just over an inch long, can charge a cell phone battery in 20 to 30 seconds, she said. "I developed a new supercapacitor, which is basically an energy storage device which can hold a lot of energy in a small amount of volume," she told KPIX 5. The technology may also be able to speed up charging of automobile batteries, she said."
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