China is promoting a tech district that it hopes will be a serious contender to America’s Silicon Valley. Hal Hodson, The Economist’s technology correspondent, visits the new hub. Lord John Browne, author of “Make, Think, Imagine”, on how advancements in engineering and artificial intelligence will eventually affect civilisation. And, what do hydrogen molecules sound like? Some innovative students have developed “molecular music.” Kenneth Cukier hosts.
Music provided by Ilkley Grammar School students Sam Harris, Matthew Hodson, Joe Higgit and Edgar Langley.
