Is a career in Electrical Engineering in your future? STEM Gem Carol Espy-Wilson is crafting 3D models of the human vocal tract to better understand the relationship between the characteristics of physical speech signals and the corresponding position of speech articulators. Now we can talk to Siri as if we are talking to a friend. Read her story and digest. Watch one of her videos. Then, with your STEM Gems Tribe, discuss, explore, reflect, and act.