Close Sonar Glasses from G-Technology Nichole Sullivan, research engineer with G-Technology tells Chris Leary and Markette Sheppard how their sonar glasses help the visually impaired. Plus, Jack Wood demonstrates how the sonar glasses work. WUSA 11:39 AM. EST January 04, 2016 JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment TRENDING VIDEOS Storm causes severe damage in Kent Island Washingtonians remember Jim Vance, long-time NBC4 anchorman Md. Officer Searching for Good Samaritan Colleagues remember Jim Vance DC locals remembers legendary anchorman Jim Vance Mexico resort drowning death a mystery for Wisconsin family D.C. Firefighters rescue a man from trash chute Younger firefighters serve their community Reverend Jesse Jackson talks about Jim Vance's impact Thousands of ticks collected from state park More Stories Severe damage after storm hits Maryland Eastern Shore Jul 24, 2017, 6:49 a.m. DC Firefighters rescue a man from trash chute Jul 23, 2017, 11:00 p.m. Laurel officer searching for Good Samaritan Jul 24, 2017, 12:14 a.m.