Tech Tent

How tech will help to get people back to work safely. Plus, the UK’s Covid-19 contact tracking app begins trials. And how to get started making hardware projects at home including an automated cocktail mixer. Presented by Rory Cellan-Jones, with BBC tech reporter Jane Wakefield. Produced by Jat Gill.(Image: Man in a suit looking at his smartphone in front of a modern building. Credit: Getty Images).