Gadget Freak Case #248: Digital Walking Stick for the Blind From: Design News - Gadget Freak - 11/21/2013 By: Marin Davide Marin Davide has created a digital walking stick for the blind. The gadget - a low-cost, completely open-source build - was designed to give the user a better perception of space and distance. Read the entire article at: http://www.designnews.com/author.asp?doc_id=269772