Bits of sound. Short. Every Sunday. An audio commonplace.BBC Radio 4 - In Our Time, Echolocation - https://www.bbc.co.uk/programmes/b0b6hrl3BBC Radio 4 - Archive on 4, Britain and Biafra 50 Years On - https://www.bbc.co.uk/programmes/b0b0lxm3Radio 3 Sunday Feature Select Copy Paste - https://www.bbc.co.uk/programmes/b09p5d0m99% Invisible - Immobile Homes - https://99percentinvisible.org/episode/immobile-homes/