RAD is a new system to help the visually impaired play racing games Posted on March 14, 2018 by Loknath Das A PhD candidate in Computer Science at Columbia Engineering, Brian A. Smith, created a new system for blind gamers who want to get a little racing in. The system, called racing auditory display or RAD, is truly amazing. It lets Read More RAD is a new system to help the visually impaired play racing games