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An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
This can be illustrated by the index of total industrial production, which increased from 4.29 in 1790 to 1,975.00 in 1913, an increase of 460 times (base year 1850 – 100). [5] American colonies gained independence in 1783 just as profound changes in industrial production and coordination were beginning to shift production from artisans to ...
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; Timeline of United States inventions (1946–1991), during the Cold War
Over the years this organization, joined with New Farmers of America, changed the world and educated many about farming processes and encouraged agriculture participation. National Association of Agricultural Educators (NAAE) began to help give teachers the ability to start a FFA chapter in their school system and standardize the curriculum all ...
[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 ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
For the past 80 years, the United States has been integral in fundamental advances in telecommunications and technology. For example, AT&T's Bell Laboratories spearheaded the American technological revolution with a series of inventions including the first practical light emitted diode ( LED ), the transistor , the C programming language , and ...
50 Inventions From The Past That Were Amazingly Innovative. ... More than 2,000 years ago, however, an ancient Chinese inventor, Zhang Heng, made the world’s first seismoscope which proved to be ...