Raw materials and technology fuel U.S. economic growth

Mining Engineering


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In 1900, the average U.S. citizen's average life span was 47 years. He traveled about 1,900 km (1,200 miles) in a lifetime and resided in a home with an icebox for food storage and oil or gas for lighting. He communicated by mail, telegraph and crude telephones with limited availability and range. By 2000, the average citizen's life span was 77 years. He traveled an average of 19,000 km/a (12,000 miles/ year) by automobile alone. He resided in a home with many electrical appliances, including refrigerators and electric lights. And the communicated almost instantaneously with any other part of the globe by several widely available means, including portable phones and e-mail. Technology, the application of knowledge about the Earth's materials, their extraction and fabrication into products, helped create this change. Throughout the 20th century, the United States was a leader in technology. Automobiles, refrigerators, electric lighting, telephones and personal computers are only a few examples of the products invented and improved or further developed by American technology (National Academy of Engineering, 2000).

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Raw materials and technology fuel U.S. economic growth
Series title Mining Engineering
Volume 54
Issue 12
Year Published 2002
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Mining Engineering
First page 17
Last page 21
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