15681. The Earth Satellite: Part 1 (14:04)

Date:
1957
Summary:
Explains centrifugal force and its relationship to the establishment of an earth satellite. Shows the three-stage missile and the part it might play in the formation of a satellite. Outlines variou...

15682. The Earth Satellite: Part 2 (14:10)

Date:
1957
Summary:
Discusses some of the problems related to the recovery of a multi-stage rocket used to establish and maintain an earth satellite. Describes the recovery, by parachute or glider technique, of the fi...

15683. The Earthmovers (14:19)

Date:
1944
Summary:
Shows heavy equipment of all types used by the Corps of Engineers and the Seabees during World War II. Describes how the "work power" of military construction units clears beaches of mines, constru...

15684. The Earthmovers (14:07)

Date:
1944
Main contributors:
United States. Army. Signal Corps
Summary:
Shows heavy equipment of all types used by the Corps of Engineers and the Seabees during World War II. Describes how the "work power" of military construction units clears beaches of mines, constru...

15688. The Effects of Shift Work on Depression and Anxiety (09:04)

Date:
April 24, 2020
Main contributors:
Endris-Burns, Amberly
Summary:
This project intended to study the relationship between shift work (specifically third shift), and its effects on depression and anxiety symptoms. Working nights has shown to have serious negative ...

15689. The Eisenhower Years (22:04)

Date:
1963
Main contributors:
See Other Contributors
Summary:
Reviews significant events in Eisenhower's career as a soldier, his years as President, and his retirement. Pictures the inaugural ceremony in 1953 and depicts such events as the Supreme Court deci...

15690. The eldest child (29:30)

Date:
1959
Summary:
Discussion of the typical behavior of first-born children and birth order dynamics.