This transatlantic podcast explores abstract concepts and phenomena through personal radio essays. Every other week, one of our producers transforms a broad topic into a captivating story told from a US-German perspective.
This transatlantic podcast explores abstract concepts and phenomena through personal radio essays. Every other week, one of our producers transforms a broad topic into a captivating story told from a US-German perspective.
Ball bearings — these mechanisms are all around us, inside our wheels and motors. Hidden away, we rarely see them, and most people don’t even know what they are. In this episode, Scott Carrier reveals the overlooked role this engineering marvel has played in human history.