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1938 Operant conditioning chamber. Also known as a Skinner box, an operant conditioning chamber is a laboratory apparatus used in the experimental analysis of behavior to study animal behavior. The operant conditioning chamber was invented in 1938 by B. F. Skinner. [285] 1938 Soft serve ice cream. Soft serve ice cream in strawberry flavor
The year 1938 in science and technology involved some significant events, listed below. Astronomy. June 28 ...
Edward E. Simmons Jr. (1911 in Los Angeles, California – May 18, 2004, in Pasadena, California) was an electrical engineer and the inventor of the bonded wire resistance strain gauge. Simmons attended the California Institute of Technology, where he received a B.S. in 1934 and an M.S. in 1936. He continued to work for the Institute under ...
1938: Z1, built by Konrad Zuse, is the first freely programmable computer in the world. 1938: Nuclear fission discovered in experiment by chemists Otto Hahn and Fritz Strassmann and physicists Lise Meitner and Otto Robert Frisch. The German nuclear energy project was based on this research.
Image credits: pnewell #9 An Experimental Tracked Air Cushion Vehicle. In the mid-1960s to the late years of the 1970s, French engineers were looking to create new transportation machines that ...
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
The governors of Nevada and California each signed bills into law on May 30, 1966, that make them the first two American states to outlaw the manufacture, sale, and possession of the drug. The law went into effect immediately in Nevada, [ 33 ] and on October 6, 1966, in California.
Computer-related introductions in 1938 (2 P) M. 1938 musical instruments (1 P) V. Vehicles introduced in 1938 (5 C, 9 P) Pages in category "Products introduced in 1938"