The public is invited to hear Dr. Shengli Zhou, director of the Wireless Communication Research Laboratory (http://www.engr.uconn.edu/shengli) at the University of Connecticut, who will speak on Monday, Aug. 3, at 7 p.m. at the monthly meeting of NARL, a regional society of electronics and communications buffs who are also FCC-licensed radio amateurs. The speech will take place in the Senior Center in 120 Cedar St. (CT Route 175) in Newington.