Gadgets & Gizmos: Hydrogen-powered trucks, perfect hair-dyeing & smelly VR

Steve Caplin is impressed by hydrogen fuel cells for trucks, but disappointed there are so few hydrogen stations to fuel them. There's a device for perfectly matching colour for hair dyeing. VR headsets will soon have added aromas to heighten realism. There's a robot that can keep functioning even if it loses all its legs. Cassette-manufacturer Maxell have a new portable cassette players for those who are into retro gadgets. A clever device being crowdfunded lets you pair your devices with TVs while away, as well as a smart night light Steve strongly recommends. But beware of economising on bike or scooter batteries as eBike fires are up 38% in just one year. Learn more about your ad choices. Visit podcastchoices.com/adchoices