How We Got to Now (2014)

Episode Overview

In this episode titled "Sound," we explore ancient remnants from 30,000 years ago that reveal humanity's early longing to capture sound within caves. The narrative also highlights how radio served as a catalyst for the civil rights movement. Furthermore, we delve into the technology that paved the way for contemporary mobile phones, showcasing its revolutionary impact. Finally, the episode examines the significance of ultrasound in today's medical practices, illustrating its vital role in diagnostics and healthcare.