By Alice Cliff and Jenny Rinkinen Visualising electricity demand: use and users of a 3D chart from the 1950s By Benedict Burbridge Moments of danger: photography, institutions and the history of the future By Jo Quinton-Tulloch Editorial By James Mansell ‘A Chamber of Noise Horrors’: sound, technology and the museum By Elizabeth Edwards Location, location: a polemic on photographs and institutional practices By Jane Desborough Review: Science and Technology galleries at National Museums Scotland By Ken Arnold Review: The Return of Curiosity, by Nicholas Thomas By Tilly Blyth Editorial 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