11.50 Fossils of Dinosaurs
Discoveries of fossils in totally unexpected place's have been explained by recent theories of continental movement.
12.15 Telephone Switching: 2
A telephone call routed by a human operator is very flexible but connections may be slow; a computer operator is fast but Inflexible - or is It?
12.40 Fairy Tate Democracy
Two different political theories on the first national referendum In the UK, held In 1975.