Reveals properties of light which account for man's ability to harness it to his needs. Part of EBE's "Introduction to Physical Science" series.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 15 minutes.
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