June 4, 2013 4:20 am Teen Invents Quick-Charging Device A California high school student, Eesha Khare, has created a new type of “supercapacitor.” The San Jose teen’s invention could help pave the way for cell phones that can be charged in 30 seconds. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon