From The New York Times: At Empire High School in Vail, Ariz., what began as a high-tech experiment has had an unexpected — result. Wi-Fi access on a school bus has transformed what often was a boisterous bus ride into a rolling study hall, and behavioral problems have virtually disappeared. District officials got the idea for wiring the bus during occasional drives on school business to Phoenix, two hours each way. They wondered if Internet access on a school bus would increase students’ academic productivity.