11.40 Loch Lomond Gtaciation
The Loch Lomond area is evidence of an ice-sheet which retreated then re-advanced in the geological past.
12.5 am Telecommunications: Teleteit
How does Ceefax work? It's a clever method where some ' blank ' lines in a television picture are used to carry the digital information which can create a new picture.
12.30 Essen in the Third
Reich Richard Bessel closely examines life in the Third Reich by looking at the experience of people in a single city - Essen.