Summary: This week's podcast guest is Lewis Dartnell, author, presenter, and professor of science communication at the University of Westminster. He's best known to the public as a popular science writer, especially for his book The Knowledge: How to Rebuild Our World from Scratch. In that book and in his related TED Talk, Lewis explains how every piece of our modern technology rests on an enormous support network of other technologies, all interlinked and mutually dependent
