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Gadgets & Gizmos: A notetaker on your finger, modular electric cars & a robot traffic cop
Thursday, 18 December, 2025
Steve Caplin is intrigued by a ring for your index finger which will capture audio to take notes or set up timers or reminders. Dutch students have invented a modular electric car which has parts you can swap out yourself, including the battery, motors and even body panels. Wacky inventor Colin Furze has come up with a bicycle that has magnetic suspension. There’s a personal AI chef, an AI monitor for your cat’s litter tray, a way of harvesting lithium from dead rechargeable batteries, an expensive portable sauna you can take camping with you and, in Hangzhou in China, they have wheeled out a robot traffic policeman. Learn more about your ad choices. Visit podcastchoices.com/adchoices
