Cars of the future are being perfected right here

BOSTON – While Silicon Valley is almost synonymous with anything tech-related, Greater Boston is carving out a niche for itself in tech innovations for the cars of the future. Several large projects and companies working on making self-driving cars a thing of the present call Beantown home. And Woburn-based Terrafugia is taking flying cars out of the pages of science fiction and into reality.
Autonomous vehicles (or self-driving cars), while technologically feasible at this time, still leave a lot of questions unanswered. For example, how does an autonomous vehicle know when to brake for a pedestrian who steps into the street?