Technological and industrial history of the United States

taixyz1992 at 19h00
07
Dec
2010
Technological and industrial history of the United States

The United States has been a leader in scientific research and technological innovation since the late 19th century. In 1876, Alexander Graham Bell was awarded the first U.S. patent for the telephone. Thomas Edison's laboratory developed the phonograph, the first long-lasting light bulb, and the first viable movie camera. Nikola Tesla pioneered alternating current, the AC motor, and radio. In the early 20th century, the automob
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07/12/2010 at 19h00 by "taixyz1992"