The "new roadways" of the title refer to various projects, carried out in the USA's research laboratories, that benefit mankind. These include solar energy projects, making glass that can be rolled up like a carpet, and diet experiments with mice that might lead to a cure for color blindness.
Release date : 1939-01-28
Production country :
United States of America
Production company :
Metro-Goldwyn-Mayer
Durasi : 10 Min.
Popularity : 3
0.00
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