Share Radio's technology editor talks to Simon Rose about the ability to 3D print QR codes inside food, but wonders why anyone would want to. He is dubious about the data gathered by Meta's new VR headset but loves an app that separates various elements in music. He is impressed by a motionless rooftop wind generator and a sea platform producing energy from waves. There's even a proof-of-concept ability to transmit solar power wirelessly, using a system developed by Nikola Tesla over 100 years ago.
