105. Light Bulbs

More people than ever before are getting tattoos — but social media has flipped the trade’s business model on its head. Zachary Crockett dips into the ink. This episode was originally published on October 3rd, 2023. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com fo ...  Show more

There’s more than meets the eye to the box that stores the pie. Zachary Crockett cracks the lid. This episode was originally published on October 1st, 2023. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data ...  Show more

They should have died out when the lightbulb was invented. Instead they’re a $10 billion industry. What does it mean that we still want tiny fires inside our homes?

How did Thomas Edison rise from obscure origins in a frontier town in Michigan to become the most famous man of his age and one of the greatest inventors of all time? In part 2, we cover Edison's life from his invention of the light bulb to his death. Sources: Edison by Edmund Mo ...  Show more

February 24, 1893. Most homes don't have electricity. And yet, one of the technology's pioneers, Nikola Tesla, is about to give the world a glimpse into a fully electrified future. He takes the stage at the Franklin Institute in Philadelphia, and begins a demonstration. He shoots ...  Show more

Are chemical elements critical for the modern economy in dangerously short supply? It's a question that Justin Rowlatt poses a century and a half after the Russian chemist Dmitry Mendeleev published the original periodic table.Justin speaks to two chemists - Andrea Sella of Unive ...  Show more