science and technology museum in Eindhoven, Neth., opened in 1966 to mark the 75th anniversary of the founding of Philips Industries. The building is a striking mushroom-shaped structure. Its exhibitions are set in a single large dome on three ring-shaped floors with two balconies. Some of the displays are interactive. The upper ring describes problems associated with the rapid growth of world population and emphasizes the importance of science and technology. The second ring is devoted to practical applications of scientific knowledge and the lowest ring with developments in industry.