By Peter Donhauser Museums theme – Science vs technology in a museum’s display: changes in the Vienna Museum of Technology with a focus on permanent and temporary exhibitions and new forms of science education By Tom Ritchie Ventriloquised voices: the Science Museum and the Hartree Differential Analyser By Bill Morrison and Jan Hicks The language of Electricity: Jan Hicks in conversation with Bill Morrison By Alice Cliff and Jenny Rinkinen Visualising electricity demand: use and users of a 3D chart from the 1950s By Michael Terwey Contexts for photography collections at the National Media Museum By Jo Quinton-Tulloch Editorial By Melissa Dickson Something in the Air: Dr Carter Moffat’s Ammoniaphone and the Victorian Science of Singing By Joanne Gooding Rather unspectacular: design choices in National Health Service glasses By James Mansell ‘A Chamber of Noise Horrors’: sound, technology and the museum By James Mooney The Hugh Davies Collection: live electronic music and self-built electro-acoustic musical instruments, 1967-1975