Main article: ContainerizationThe standardised steel shipping container has its origins in the 1950s when commercial shipping operators and the United States military started developing such units. Sh ...
Originally known as Root Hog, the original town site was five miles (8 km) south at the junction of two stagecoach lines (Blackfoot-Wood River and Blackfoot-Salmon). A suspension bridge that crossed t ...
The nuclear power debate concerns the controversy which has surrounded the deployment and use of nuclear fission reactors to generate electricity from nuclear fuel for civilian purposes. The debate ab ...
As opposed to current light water reactors which use uranium-235 (0.7% of all natural uranium), fast breeder reactors use uranium-238 (99.3% of all natural uranium). It has been estimated that there i ...
In 2011 nuclear power provided 10% of the world's electricity In 2007, the IAEA reported there were 439 nuclear power reactors in operation in the world, operating in 31 countries. However, many have ...
Shockley was born in London, England to American parents, and raised in his family's hometown of Palo Alto, California, from age three. His father, William Hillman Shockley, was a mining engineer who ...
He was born to American parents Ross R. Brattain and Ottilie Houser in Amoy, China, where his father was a teacher, on February 10, 1902.John Bardeen, William Shockley and Walter Brattain at Bell Labs ...
John Bardeen was born in Madison, Wisconsin on May 23, 1908.Bardeen attended the University High School at Madison for several years, but graduated from Madison Central High School in 1923. He graduat ...
The thermionic triode, a vacuum tube invented in 1907, propelled the electronics age forward, enabling amplified radio technology and long-distance telephony. The triode, however, was a fragile device ...
The United States is home to many cultures and a wide variety of ethnic groups, traditions, and values. Aside from the relatively small Native American and Native Hawaiian populations, nearly all Amer ...
The United States has a capitalist mixed economy which is fueled by abundant natural resources and high productivity. According to the International Monetary Fund, the U.S. GDP of $16.8 trillion const ...
In 2007, 58% of Americans age 18 and over were married, 6% were widowed, 10% were divorced, and 25% had never been married. Women now work mostly outside the home and receive a majority of bachelor's ...
Main articles: History of the United States (1945–64), History of the United States (1964–80) and History of the United States (1980–91)US President Ronald Reagan (left) and Soviet General Secretar ...
In 1507, the German cartographer Martin Waldseemüller produced a world map on which he named the lands of the Western Hemisphere "America" after the Italian explorer and cartographer Amerigo Vespucci ...
Canada's two official languages are English and French, pursuant to Section 16 of the Canadian Charter of Rights and Freedoms and the Federal Official Languages Act. Canada's federal government practi ...
