VI. The World Wars and the Interwar Period, 1914–1945 > A. Global and Comparative Dimensions > 5. Technological Developments
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  The Encyclopedia of World History.  2001.
 
(See 1913)
 
5. Technological Developments
 
The major achievements in technology follow.  1
 
a. Energy and Materials
1921
 
Tetraethyl lead, gasoline antiknock additive, produced by Thomas Midgley (1889–1994).  2
 
1930–35
 
Development of first commercially practicable catalytic cracking system for petroleum by Eugene J. Houdry (1892–1962).  3
 
1930–37
 
Development of gas turbine unit for jet propulsion in aircraft by Frank Whittle.  4
 
1942
 
DAWN OF THE NUCLEAR AGE. The first self-sustaining nuclear chain reaction achieved at Stagg Field, Chicago, by Enrico Fermi (1901–54). The first full-scale use of nuclear fuel to produce electricity occurred at Calder Hall (England) in 1956.  5
 
 
 
The Encyclopedia of World History, Sixth edition. Peter N. Stearns, general editor. Copyright © 2001 by Houghton Mifflin Company. Maps by Mary Reilly, copyright 2001 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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