The Ontario Science Center is a family oriented attraction with many interesting exhibits to entertain children. It occupies a site overlooking the Don Valley, about ten kilometers northeast of the city center. Designed by the virtuoso architect Raymond Moriyama, this modern building was completed in 1969. Visitors to the center are brought face to face with the latest developments in technology, telecommunications, optics, biology, physics, space travel and meteorology, and much more, all presented in an absorbing and imaginative way. The emphasis is very much on visitor participation, with many interactive displays and widespread use of suitably installed computing and other equipment.