Gadgets & Gizmos: Plastic that turns into fish food, improved weather forecasts & a drunkenness app

Steve Caplin talks Simon Rose through the latest tech. A white dwarf predicted to hit the earth now apparently won't. Google's new weather prediction computer can massively improve the accuracy of forecasts. A crane has been designed to shin up wind turbines to repair them. A record-breaking supercar has set a new one – for driving backward. Japanese scientists have produced a plastic that not only self heals but turns into fish food. There's a new way of reading drums for sound checks. A crowdfunded multitool even has an adjustable spanner. And North American scientists have come up with an app that can tell if somebody is drunk or not. Learn more about your ad choices. Visit podcastchoices.com/adchoices