Among the things we take for granted in today’s America is knowing the time, which makes transportation, business and national events possible. This, however, was not always the case.
On today’s show, from building sewers to standardizing time, we’ll talk about the invisible innovations that got us where we are today. Then, we’ll take a look back to a controversial figure at the center of Portsmouth’s historic preservation movement, Miss Dorothy Vaughan.
Listen to the full show and click Read more for individual segments.