Steve Caplin looks at Volkswagen's bizarre April Fool's joke, how Uber users can now request electric, how wine tastes after a trip in space, the world's first lab-grown caviar being made in Devon, the robot self-portrait selling for $688,000, an antenna powered by 5G signals, an app mapping the world's radio stations, a gadget for sharpening disposable razor blades and what can be discerned by eye tracking.
