In the 1950s, baseball broadcasts on television were expanding, and this fairly new technology was starting to catch up to radio in sports coverage, until a groundbreaking innovation cemented radio for the next sixty years as the most flexible, reliable way to experience a game away from the ballpark. In this episode, I discuss the history of this breakthrough, along with some of the iconic personalities that benefited from the invisible waves that carried their voices to the most remote reaches of the country, and world.