U.S. Census Bureau Daily Feature for July 9

WASHINGTON, July 9, 2014 /PRNewswire-USNewswire/ -- Following is the daily "Profile America" feature from the U.S. Census Bureau:

TRANSISTOR

Profile AmericaWednesday, July 9th. One of the most important inventions of our times was announced in early July 1948 in a press release by Bell Laboratories in New Jersey — the transfer resistance device — far better known as the transistor. The small, simple, and tough transistor replaced fragile and heat-generating vacuum tubes, which had been the heart of electronics for decades. The discovery led to the development of the integrated circuit and the microprocessor that are the basis of modern electronics. Today, transistor technology makes possible the devices we take for granted in daily life — computers, cell phones, and video games, as well as satellites and medical equipment. Making semiconductors and other components for electronics employs nearly 283,000 people in some 4,300 businesses in the U.S. Profile America is in its 17th year as a Public Service of the U.S. Census Bureau.

Sources: www.computerhistory.org/semiconductor/timeline/1951-First.html 
http://techchannel.att.com/play-video.cfm/2012/5/21/AT&T-Archives-Foundations-Information-Age-Transistor 
http://www.beatriceco.com/bti/porticus/bell/pdf/bell-labs%20transistor%20announcement.pdf 
http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=BP_2011_00A1&prodType=table NAICS 33441

Profile America is produced by the Center for New Media and Promotions of the U.S. Census Bureau. These daily features are available as produced segments, ready to air, on the Internet at http://www.census.gov (look for "Multimedia Gallery" by the "Newsroom" button). 

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SOURCE U.S. Census Bureau



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