Harrison Brown discusses the significance of long time intervals and describes how radioactive dating arrives at an estimate for the age of the earth. For more info on PSSC, its history, and films, visit [ Ссылка ]
This movie is part of the collection: Academic Film Archive of North America
Director: Larry Yust
Producer: Educational Services Inc
Sponsor: Merced College (professor Lana Jordan)
Audio/Visual: sound, B&W
Keywords: PSSC; physics
Tid: 24:14
År: 1959
