Science and technology of USA

From the 19th century the United States has been a leader in scientific research and technological innovation. In 1876, Alexander Graham Bell was awarded the first U.S. patent for the telephone. Thomas Edison's laboratory phonograph, the first long-term funding for the light bulb, and the first movie camera useful to improve. [178] Nikola Tesla pioneered by the current, the AC motor, radio and stage. In the 20th century, Ransom E. Company olds and Henry Ford's automobile assembly line popular. In 1903, the Wright brothers, the pioneers and controlled heavier - than - air powered flight occurred. [179]
Nazism in Europe in the 1930s, the growth of Albert Einstein, Enrico fermi, and John von Neumann, a scientist with the U.S. immigration, led. During World War II Manhattan Project developed nuclear weapons, ushering in the Atomic Age. Produced rapid advances in rocketry Space Race, material science, computer. IBM, Apple Computer, and Microsoft refined and popularized the personal computer.
The United States is the ARPANET and its successor, the Internet better. Today, 64% of research and development funding comes from the private sector. [180] The United States leads the world in scientific research papers and impact factor. [181] In April 2010, the U.S. at least 68% owned by the family of a computer and 77% had a broadband internet service. [182] Also in 2011, 85% of Americans have a mobile phone. [183] ​​The country is a leading genetically modified food, representing half of the world's GM crop developer and producer.