Love for nostalgia never goes out of fashion, and (perhaps late to the party) I've just discovered the perfect source. The BBC Archives channel on YouTube is packed with old segments from BBC news and current affairs programmes, offering a glimpse into the hot topics of the past. It's a digital time machine. While there's a diverse range of coverage including science, celebrity interviews, politics and more, the tech and design segments are some of the most evocative, and indeed entertaining. With titles like "Is This Cassette Really the Future of Hi-Fi Tech?" and "Video games Invade the Amusement Industry" the clips frequently offer an unexpected – often incredulous – angle on trends that are now a staple of daily life, and give you a snapshot of their roots. Here are some of my favourite videos. You can explore the BBC archive in playlists sorted into topic, decade and more. Is This Cassette Really the Future of Hi-Fi Tech? 1982: Is this CASSETTE the FUTURE of Hi-Fi Tech?…