Alice Liu of Metrolina Regional Scholars' Academy hurries to correct the path of her team's solar-powered car at Charlotte Motor Speedway.
Alice Liu of Metrolina Regional Scholars' Academy hurries to correct the path of her team's solar-powered car at Charlotte Motor Speedway. jsiner@charlotteobserver.com
Alice Liu of Metrolina Regional Scholars' Academy hurries to correct the path of her team's solar-powered car at Charlotte Motor Speedway. jsiner@charlotteobserver.com

Down to a science

June 15, 2011 9:00 AM