Share Radio's technology editor Steve Caplin looks back over 2020 with Simon Rose. Here, looking at the second half of the year, he discusses self-driving hospital beds, robot dolphins in Chinese acquariums, a fly-in cinema, fitbits for lobsters, Alexa's regional accent, jet suit paramedics in the Lake District, making diamonds from thin air, NASA turning stars into sounds and the sale of the first ever mouse for rather more than the auction estimate of $800.