Some of the most frenetic innovation of Ukraine’s war happens in the electromagnetic spectrum: detecting and denying signals to and from materiel. This invisible battle will play out elsewhere. Cycling is notorious for doping scandals, but the latest way to gain an edge will be hard to spot (7:40). And why speeches in Britain’s Parliament are getting shorter and less important (15:00).Listen to what matters most, from global politics and business to science and technology—Subscribe to Economist Podcasts+For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account. Hosted on Acast. See acast.com/privacy for more information.