Search results
Results from the WOW.Com Content Network
The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.
[5] The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years ...
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
The United Parcel Service is young in comparison to the USPS, which was founded back in 1775, but UPS still weighs in at over 100 years old, having been established back in 1908 by a 19-year-old ...
For premium support please call: 800-290-4726 more ways to reach us
And in the following years, the federal government supported the establishment of a national modern science and technology system, making America a world leader in science and technology. [24] Part of America's past and current preeminence in applied science has been due to its vast research and development budget, which at $401.6bn in 2009 was ...
In 1924, American engineer Lloyd Espenschied invented the radio altimeter. However, it took 14 years before Bell Labs was able to put Espenschied's device in a form that was adaptable for aircraft use. [194] 1925 Automatic volume control. Automatic volume control or automatic gain control (AGC) is an adaptive system found in many electronic ...
Nikola Tesla was a famous 20th century Serbian-American scientist who is most famous for designing the alternating current (AC) electricity supply system. The world-famed engineer could speak in ...