An issue of growing concern around the world has hit home: wifi radiation and its potential impact on children exposed to Local parents concerned about WiFi radiation POTOMAC, MARYLAND --An issue of growing concern around the world has hit home: wifi radiation and its potential impact on children exposed to Check out this story on WUSA9.com: http://on.wusa9.com/1G9ueUj POTOMAC, Md. -- An issue of growing concern around the world has hit suburban DC: WiFi radiation and its potential impact on children exposed to it every day, through school wireless routers.