The international Call for Code competition encourages developers to invent new technologies that can assist people after a hurricane or floodOn a stormy Tuesday in July, a group of 30 young programmers gathered in New York City to take on natural disasters. The attendees—most of whom were current college students and alumnae of the nonprofit Girls Who Code—had signed up for a six-hour hackathon in the middle of summer break.
Flash floods broke out across the city, but the atmosphere in the conference room remained upbeat