Tech expert Steve Caplin highlights the Tokyo aquarium using FaceTime to help its eels remember what people look like. He also discusses a movie to be made on the ISS, the name of Elon Musk's child, the CAA's lifting of the ban on drones, a WhatsApp hoax debunker, a camera fast enough to capture lightwaves, an app-controlled music box, a music generator and how people are now using Zoom for silent meetings to help focus the mind.