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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] However, the lack of clarity around the notion of zero made their system highly ambiguous (e.g. 13 200 would be written the same as 132). [9]
1995 – Top quark discovered; 1995–2000 – Econophysics and Kinetic exchange models of markets; 1997 – Juan Maldacena proposed the AdS/CFT correspondence; 1998 – Accelerating expansion of the universe discovered by the Supernova Cosmology Project and the High-Z Supernova Search Team; 1998 – Atmospheric neutrino oscillation established
The Breakthrough of the Year is an annual award for the most significant development in scientific research made by the AAAS journal Science, an academic journal covering all branches of science. [1] Originating in 1989 as the Molecule of the Year, [2] and inspired by Time 's Person of the Year, it was renamed the Breakthrough of the Year in 1996.
Here are the top seven science and technology breakthroughs, from fields like AI and space travel, that made 2021 a big year for exploration. The post The Best Science and Tech Breakthroughs of ...
9 December – Astronomers report using the infrared capabilities of the James Webb Space Telescope to find 100 of the smallest asteroids ever detected in the main belt, some measuring just 10 metres in diameter. [414] 10 December – AI-based transfer learning predicts that global warming will reach 3°C faster than previously expected. [415]
8 November – In 10 studies, researchers of the Sc2.0 project report yeast with a half-synthetic genome. [599] [600] 9 November – Surgeons report the first human eye transplant; the patient did not regain sight in the transplanted eye. [601] [602] 10 November – A new scalable technique for carbon nanotube-based MOSFETs is demonstrated ...
DeepMind used artificial intelligence for the first time to predict protein folding. [1]Singapore became the first jurisdiction to approve the sale of cultured meat. [2]The vaccines produced by Pfizer/BioNTech and Moderna against Coronavirus disease 2019 became the first vaccines developed using messenger RNA [3] and mark the fastest vaccine development and approval, taking only 10 months.
15 February 2013: a 10-tonne (22,000 lb) meteoroid (atmospheric trail pictured) impacts Chelyabinsk, Russia, injuring over 1,200 people.At the time, it is the most destructive meteor to strike Earth since 1908.