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Science and technology in South Africa. The first significant work in astronomy in South Africa was performed by Nicolas Louis de Lacaille between 1751 and 1753, culminating in the measurement of the arc of the southern meridian and a catalog of almost 10 000 southern stars, later published as Coelum Australe Stelliferum. [ 1][ 2] The Royal ...
Sub-Saharan African countries spent on average 0.3% of their GDP on S&T (Science and Technology) in 2007. This represents a combined increase from US$1.8bn in 2002 to US$2.8bn in 2007. North African countries spend a comparative 0.4% of GDP on research, an increase from US$2.6bn in 2002 to US$3.3bn in 2007.
South African Journal of Science. The South African Journal of Science is an open access, multidisciplinary academic journal published bimonthly by the Academy of Science of South Africa. The journal has a 2021 impact factor of 2.134.
The Southern Africa Association for the Advancement of Science (S2A3 or S 2 A 3) is a learned society, originally known as the South African Association for the Advancement of Science (SAAAS). Established in 1902, its principal aim is to increase the public awareness and understanding of science, engineering and technology, and their role in ...
The rand was introduced in the then Union of South Africa on 14 February 1961, shortly before the establishment of the Republic on 31 May 1961. The rand replaced the pound with a decimal currency: 100 cents (100c) = 1 rand (R1), 1 rand being valued at 10 shillings and 1 cent at 1.2 pence. The coins bore the forward-facing portrait of Jan van ...
1950, Q20 lubricant was invented by Mr. Robertson in Pinetown. [2] Q20 is an all purpose lubricating spray that is owned by the Triton-Leo Group (Pty) Ltd. [3] The name derives from "it has 20 answers to 20 questions". 1957, Flame ionization detector by Harley and Pretorius at the University of Pretoria in Pretoria, South Africa
History of South Africa. The first modern humans are believed to have inhabited South Africa more than 100,000 years ago. [1] In 1999, UNESCO designated the region the Cradle of Humankind World Heritage site. [2] South Africa's first known inhabitants have been referred to as the Khoisan, the Khwe and the San.
Earth Summit 2002. The World Summit on Sustainable Development 2002, took place in South Africa, from 26 August to 4 September 2002. It was convened to discuss sustainable development organizations, 10 years after the first Earth Summit in Rio de Janeiro. (It was therefore also informally nicknamed "Rio 10".)