Motion Picture
(Available for loan without charge from the Division of Public Information, U. S. Atomic Energy Commission, Washington 25, D. C.)
Harvest of an Atomic Age, 20 minutes, 16mm, color and sound, 1963.
Footnotes
[1]A microgram bears the same relationship to a 1000-pound steer as a penny does to $4½ billion.
[2]The roentgen is a measure of ionizing radiation, as the foot-candle is a measure of light. In simple terms the roentgen is that amount of X or gamma radiation which produces one electrostatic unit (esu) of electricity in one cubic centimeter (cc) of dry air at standard conditions of temperature and pressure. This may sound like a trivial amount of energy, but it amounts to more than two billion ionizations in each cubic centimeter.
[3]From “Epistle To Be Left in the Earth.”
Transcriber’s Notes
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