Gadgets & Gizmos: Flying shopping trolleys, a defensive ladies' fan & cutting cow burps

Steve Caplin laments the demise of the car CD player. But he looks forward to flying shopping trolleys which can even handle stairs. A powerwash simulator apparently improves people's mood. A traditional ladies' fan converts into a tactical defence baton, for a price. There's a kayak with an electric motor you can pedal, if you can deal with one of the worst websites Steve has ever encountered. A hydrogen balloon is the latest space tourism venture. There's a nasal gel to trap viruses. Westinghouse are producing a nuclear microreactor with no moving parts which lasts for 8 years without refuelling. And Australian scientists have discovered that clay reduces the methane from cow burps by 30%. Learn more about your ad choices. Visit podcastchoices.com/adchoices