It’s hard to imagine how anyone looked cool before the invention of sunglasses, but just when did humans pop their first pair of shades? In this episode of Invention, Robert Lamb and Joe McCormick discuss everything from the blinding white hell of arctic wastes to the blood-soaked spectacle of gladiatorial combat. 

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.