Uncovering what is left of Hitler's ambitious structures which were built in a bid for world domination, beginning with a look at the Atlantic Wall. Created in order to protect Europe from an Allied invasion it stretches thousands of kilometres from France to Norway, and on D-Day the fortifications were put to the ultimate test.
2013 • Technology
Imagine a world without the power to capture or transmit sound. Journey with Steven Johnson to the Arcy sur Cure caves in northern France, where he finds the first traces of the desire to record sound — 30,000 years ago. He also learns about the difference that radio made in the civil rights movement and reveals the Hollywood star who designed a WW2 weapon that would make possible the modern cell phone network. During an ultrasound on a pregnant dolphin, he realizes just how big a role sound has played in medicine. The unsung heroes of sound have had an impact on our working lives, race relations, saving lives and the radical alteration of cities.
This episode reveals the fascinating chain of events that made everyday miracles such as turning on a light or boiling a kettle possible. Michael Mosley, Professor Mark Miodownik and Dr Cassie Newland tell the amazing story of three of the most transformative inventions of all time: the steam engine, the electrical generator and the steam turbine. They explain how these inventions came about by sparks of inventive genius and steady, incremental improvements hammered out in British workshops.