By Lucy Slater How Britain’s railways prepared for nuclear war By John Stack and Jamie Unwin The potential and pitfalls of machine learning in the Congruence Engine context By Asa Calow The future: reflections on emerging machine-learning methods for digital heritage By Alex Butterworth The Congruence Engine Manifesto By Jane Winters and Anna-Maria Sichani The role of digital humanities in an interdisciplinary research project By William Ashworth History of textiles and the Congruence Engine By Daniel C S Wilson Working at scale: what do computational methods mean for research using cases, models and collections? By Jon Agar History of communications and the Congruence Engine: early thoughts and possibilities By Graeme Gooday, Kylea Little, Bernard Musesengwe and Cameron Tailford (Deceased) Energising connections in museum collections By Helen Graham and Arran J Rees Congruence Engine in action