Search results
Results from the WOW.Com Content Network
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents [ 9 ] relating to several well-known inventions appearing throughout the timeline below.
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; Timeline of United States inventions (after ...
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
The Homestead Act granted 160 acres (65 hectares) to farmers who lived on the land for 5 years or allowed the farmer to purchase the land after 6 months for $1.25 per acre ($3.1/ha). Even as America's westward expansion allowed over 400 million acres (1,600,000 km 2 ) of new land to be put under cultivation, between 1870 and 1910 the number of ...
The MERs are 1.6 m (5.2 ft) long. Curiosity on the right is 3 m (9.8 ft) long. The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission Mars Oxygen ISRU Experiment. During the Cold War, competition for superior missile capability led to the Space Race between the United States and Soviet Union.
First public television broadcasts in the UK by John Logie Baird between London and Glasgow and in the US by Frederic Eugene Ives (1882–1953) between Washington and New York. The American inventor Philo Taylor Farnsworth (1906–1971) developed in Los Angeles, the first fully electronic television system in the world.
U.S. territorial extent in 1860. April 3, 1860 – Pony Express begins. November 6 – 1860 United States presidential election: Abraham Lincoln elected president and Hannibal Hamlin vice president with only 39% of the vote in a four-man race.