MicroEducation, or YouTube for good
Mountain View’s global teacher of 1,516 lessons and counting – Inside Bay Area. From a tiny closet in Mountain View, Sal Khan is educating the globe for free. His 1,516 videotaped mini-lectures — on topics ranging from simple addition to vector calculus and Napoleonic campaigns — are transforming the former hedge fund analyst into a YouTube sensation, reaping praise from even reluctant students across the world. “I’m starting a virtual school for the world, teaching things the way I wanted to be taught,” explains Khan, 33, the exuberant founder and sole faculty member of the nonprofit Khan Academy, run out…