Start Over Date 1957

573. Treasures from the land of the Bible (28:48)

Date:
1957
Summary:
Discusses the discovery of the Dead Sea scrolls; explains how the scrolls came into being, who wrote them and why, and what they mean today. Includes a study of Palestine, beginning with its earlie...

574. Turbojets, Pulse Jets, and Ram Jets (14:41)

Date:
1957
Summary:
Contrasts pulse jets, turbojets, and ramjets to a true rocket. Compares the operation of a true rocket engine with that of a jet engine, and explains the operation of the three types of jet engines...

575. Turtles (29:30)

Date:
1957
Summary:
Turtles are reptiles along with snakes, lizards and crocodiles. The turtle has a remarkable history, too. He has been around for 200 million years and is relatively unchanged from his early ancesto...

576. U.S. Department of the Interior "Write Clean Water" (01:00)

Date:
19XX
Main contributors:
U.S. Department of the Interior
Summary:
A public service announcement from the U.S. Department of the Interior in which audio of children singing about going to the beach overlays a scene of a deserted beach covered with trash, dead fish...

580. Unconscious understanding (29:54)

Date:
1957
Summary:
What is the role of unconscious understanding, in dreams, in poetry, and in wit and humor? It plays a major part in all of these. In wit, satire, and puns, the unconscious understanding contributes...