Share Radio's technology editor Steve Caplin talks to Simon Rose about the San Francisco police's surprise at stopping a car without headlights – or a driver! There's also a way to trap smoke-stack CO2, a Rubens painting with accompanying smells, a solution to cat allergy, cloning dead pets, the most popular social media app that aims to get real, wearable air conditioning and crowd-funded illuminated bike pedals that Steve reckons are worth every cyclist looking at.
