Liste des épisodes à télécharger légalement
How We Got to Now with Steve Johnson Episode 6 (Sound)
Date de diffusion: : 24 Octobre 2014Imagine a world without the power to capture or transmit sound. Journey with Johnson to the Arcy sur Cure caves in northern France, where he finds the first traces of the desire to record sound — 10,000 years ago. He also learns about...
How We Got to Now with Steve Johnson Episode 5 (Cold)
Date de diffusion: : 17 Octobre 2014Only in the last 200 years have humans learned how to make things cold. Johnson explains how ice entrepreneur Frederic Tudor made ice delivery the second biggest export business in the U.S. and visits the place where Clarence Birdseye,...
How We Got to Now with Steve Johnson Episode 4 (Light)
Date de diffusion: : 10 Octobre 2014Johnson relates the story of people who take us out of the dark and into the light. Hear about Edison's light bulb, which he didn’t actually invent, and learn how an 18th-century ship's skipper discovered a source of illumination by...
How We Got to Now with Steve Johnson Episode 3 (Glass)
Date de diffusion: : 03 Octobre 2014Johnson considers how the invention of the mirror gave rise to the Renaissance, how glass lenses allow us to reveal worlds within worlds and how, deep beneath the ocean, glass is essential to communication. He learns about the daring...
How We Got to Now with Steve Johnson Episode 2 (Time)
Date de diffusion: : 26 Septembre 2014The world today is obsessed by time. Johnson boards a submarine to discover what a lack of natural light means for a sailor's working day and visits Heathrow, the world's busiest airport, to try to get timings right at air traffic...
How We Got to Now with Steve Johnson Episode 1 (Clean)
Date de diffusion: : 26 Septembre 2014Dirty water has killed more humans than all the wars of history combined, but in the last 150 years, a series of radical ideas, extraordinary innovations and unsung heroes have changed our world. Johnson plunges into a sewer to...