Steve Caplin talks to Simon Rose about the latest tech news. After 21 years, Apple are discontinuing the iPod, the UK is to launch a satellite from Newquay, Mercedes' new electric car will go 1,000km on one charge, the Italians are producing a hydrofoil which will dive down 50 metres, smart screws will detect if they're coming loose in bridges, wind turbines and the like, the Dutch are making cracklier chocolate, there's a crowdfunded inflatable tent and solar table and a prototype app could detect the early stages of Alzheimer's Disease.
