11.55 Semiconductors and the Sun
Electricity directly from sunlight is the promise of a technological device: a large-scale photoelectric cell.
12.20 am Telephone Systems: A Case Study. A computer which automatically routes unanswered telephone calls to another extension is just one of the features filmed at this experimental telephone exchange at the University of Essex.
12.45 Feature Films as Propaganda
The programme looks at the characteristics and methods of propaganda displayed In feature films. It looks in detail at three films from the Soviet cinema, and shows how the methods altered with the needs of the regime.