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1880s. 1881: Nikolay Benardos presents carbon arc welding, the first practical arc welding method. [411] 1884: Hiram Maxim invents the recoil-operated Maxim gun, ushering in the age of semi- and fully automatic firearms. 1884: Paul Vieille invents Poudre B, the first smokeless powder for firearms.
- Fritz Strassmann
Friedrich Wilhelm Strassmann (German: [fʁɪt͡s ˈʃtʁasˌman] ⓘ;...
- Timeline of Electrical and Electronic Engineering
The following timeline tables list the discoveries and...
- Timeline of Computing
Timeline of computing presents events in the history of...
- Timeline of scientific discoveries
1971: Place cells in the brain are discovered by John...
- Discovery of human antiquity
The discovery of human antiquity was a major achievement of...
- Timeline of United States discoveries
t. e. Timeline of United States discoveries encompasses the...
- Salish Sea human foot discoveries
hide. Coordinates: 48.73°N 123.1°W. Locations of Salish Sea...
- Fritz Strassmann
1971: Place cells in the brain are discovered by John O'Keefe. 1974: Russell Alan Hulse and Joseph Hooton Taylor, Jr. discover indirect evidence for gravitational wave radiation in the Hulse–Taylor binary. 1977: Frederick Sanger sequences the first DNA genome of an organism using Sanger sequencing.
The discovery of human antiquity was a major achievement of science in the middle of the 19th century, and the foundation of scientific paleoanthropology. The antiquity of man, human antiquity, or in simpler language the age of the human race, are names given to the series of scientific debates it involved, which with modifications continue in ...
- Brian Handwerk
- 550,000 to 750,000 Years Ago: The Beginning of the Homo sapiens Lineage. Genes, rather than fossils, can help us chart the migrations, movements and evolution of our own species—and those we descended from or interbred with over the ages.
- 300,000 Years Ago: Fossils Found of Oldest Homo sapiens. As the physical remains of actual ancient people, fossils tell us most about what they were like in life.
- 300,000 Years Ago: Artifacts Show a Revolution in Tools. Our ancestors used stone tools as long as 3.3 million years ago and by 1.75 million years ago they’d adopted the Acheulean culture, a suite of chunky handaxes and other cutting implements that remained in vogue for nearly 1.5 million years.
- 100,000 to 210,000 Years Ago: Fossils Show Homo sapiens Lived Outside of Africa. Many genetic analyses tracing our roots back to Africa make it clear that Homo sapiens originated on that continent.
The Cradle of Humankind [1] [2] [3] is a paleoanthropological site and is located about 50 km (31 mi) northwest of Johannesburg, South Africa, in the Gauteng province. Declared a World Heritage Site by UNESCO in 1999, [4] the site is home to the largest concentration of human ancestral remains anywhere in the world. [5]
t. e. Timeline of United States discoveries encompasses the breakthroughs of human thought and knowledge of new scientific findings, phenomena, places, things, and what was previously unknown to exist. From a historical standpoint, the timeline below of United States discoveries dates from the 18th century to the current 21st century, which ...
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hide. Coordinates: 48.73°N 123.1°W. Locations of Salish Sea foot discoveries through January 3, 2019. Since August 20, 2007, at least 20 detached human feet have been found on the coasts of the Salish Sea in British Columbia, Canada, and Washington, US. The first discovery, on August 20, 2007, was on Jedediah Island in British Columbia.
