Tech Tent

We're looking at humanoid robots - the ones that look like us. They have arms and legs. But are they really that practical and useful ? And how might they develop in the future ? Also in this edition of Tech Life, you've heard of charging points for electric cars and bikes ? Well, next it's plug-in points for cruise ships ! We learn about Bitcoin halving. And tech is helping farmers in Ghana to grow more crops.Presenter: Zoe Kleinman Producer: Tom Quinn(Photo: An image of Atlas, the Boston Dynamics robot. Credit: Kiyoshi Ota/Bloomberg via Getty Images, and Tomohiro Ohsumi/Getty Images)