Brian Potter | Construction Physics | 6th October 2023
Comprehensive history of how humans have dug tunnels beneath the ground in the past 150 years. In 1825 Marc Brunel, father of Isambard Kingdom, used a 22-foot "shield" with stacked compartments containing individual workers to dig the first tunnel beneath the river Thames. Now we use a combination of enormous tunnel boring machines and intricate pre-cast concrete liners (4,860 words)
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Michael Wolff, biographer of Rupert Murdoch, unpacks the "real-life Succession" drama playing out at the media conglomerate (27m 40s)