'Mechanical Head' interactive exhibit, Science Museum, London, 2000.
© Science Museum / Science & Society Picture Library
'Mechanical Head' interactive exhibit, Things Gallery, The Basement, Science Museum. With this exhibit, visitors can create different expresions on this giant head by operating the handles and levers inside. The cams and cogs of the mechanisms are visible, so that the operator can see what is happening. A video camera lets the operator see the final expresion.