Greatest Engineering Achievements of the 20th Century

In 2003, the National Academy of Engineering in the United States published A Century of Innovation: Twenty Engineering Achievements that Transformed our Lives.This work detailed historical information on the following list of what the authors consider to be the top twenty engineering achievements of the 20th century, or those achievements which had the greatest impact upon life during and following this period.
The list was published as follows:
Electrification
Automobile
Airplane
Water Supply and Distribution
Electronics
Radio and Television
Agricultural Mechanization
Computers
Telephone
Air Conditioning and Refrigeration
Highways
Spacecraft
Internet
Imaging
Household Appliances
Health Technologies
Petroleum and Petrochemical Technologies
Laser and Fiber Optics
Nuclear Technologies
High-performance Materials