Steve Caplin, Share's tech expert, discusses with Simon Rose a new electric car powered by the sun. There's an electric DeLorean, a tracked VW camper van, an e-bike that could climb Mount Everest – if there was a road, objections to a car park pizza vending machine, parents using Alexa to help with homework, litter-picking in space, robot snakes and crabs and why people using mobile payments are more likely to overspend.
