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 By Benedict Burbridge Moments of danger: photography, institutions and the history of the future By Elizabeth Edwards Location, location: a polemic on photographs and institutional practices By Ken Arnold Review: The Return of Curiosity, by Nicholas Thomas By Jane Desborough Review: Science and Technology galleries at National Museums Scotland By Ian Hutchings Giovanni Canestrini’s models of Leonardo da Vinci’s friction experiments By Ben Regel, Jannicke Langfeldt, Louisa Burden and Mary Ryan Doping at the Science Museum: the conservation challenge of doped fabric aircraft in the Flight gallery