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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 ...
2000 BC: Pythagorean triples are first discussed in Babylon and Egypt, and appear on later manuscripts such as the Berlin Papyrus 6619. [6] 2000 BC: Multiplication tables in a base-60, rather than base-10 (decimal), system from Babylon. [7] 2000 BC: Primitive positional notation for numerals is seen in the Babylonian cuneiform numerals. [8]
Adobe Flash technology reached the point of being able to make video players. As a result, YouTube, a website which allows uploading and viewing videos, was created. YouTube's popularity grew explosively and it was acquired by Google. Data storage prices continued to drop, going from approximately US$7 per GB in early 2000 to US$0.07 per GB in ...
However, when 2,000 years ago, during the Three Kingdoms period, the Chinese inventor Ma Jun created a chariot with a built-in compass for Emperor Ming-di, it was a real wonder.
220–150 BCE – Apollonius: and Hipparchus: Invention of Astrolabe; 205–86 BCE – Hipparchus or unknown: Antikythera mechanism an analog computer of planetary motions; 129 BCE – Hipparchus: Hipparchus star catalog of the entire sky [5] and precession of the equinoxes
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.
A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
2000 – The Human Genome Project draft was completed. 2001 – The first telesurgery was performed by Jacques Marescaux. 2003 – Carlo Urbani, of Doctors without Borders alerted the World Health Organization to the threat of the SARS virus, triggering the most effective response to an epidemic in history. Urbani succumbs to the disease ...