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- {{Short description|1650 book of astronomical tables by Maria Cunitz}} ...thumb|right|The title page of the ''Urania propitia'' by [[Maria Cunitz]] (1650)]] ...9 KB (1,230 words) - 08:53, 18 February 2025
- ...ounds from a "scientific" viewpoint were made by [[Athanasius Kircher]] in 1650.<ref name=Beyer/> ...tory behavior. These eddies can have strong periodic components, resulting in a steady tone.<ref name=raichel2000/> This phenomenon is the main topic of ...4 KB (544 words) - 11:46, 24 January 2024
- ...forms compounds in the +3 oxidation state, although compounds with curium in the +4, +5 and +6 oxidation states are also known. ...ear Chemistry Letters|volume=7|issue=5|page=421|date=1971|doi=10.1016/0020-1650(71)80177-0|last2=Fuger|first2=J.}}</ref> ...14 KB (2,076 words) - 23:55, 4 November 2024
- ...1974 |title=A dendrite method for cluster analysis |journal=Communications in Statistics |volume=3 |issue=1 |pages=1–27 |doi=10.1080/03610927408827101}}< where ''n<sub>i</sub>'' is the number of points in cluster ''C<sub>i</sub>'', '''c'''''<sub>i</sub>'' is the centroid of ''C<s ...7 KB (1,035 words) - 18:30, 30 July 2024
- ...artes on Polyhedra: A Study of the "De solidorum elementis"''''' is a book in the [[history of mathematics]], concerning the work of [[René Descartes]] o ...of the [[Mathematical Association of America]] has suggested its inclusion in undergraduate mathematics libraries.{{r|maa}} ...7 KB (1,029 words) - 17:36, 12 August 2023
- ...found in [[Low-energy electron diffraction|LEED]] patterns and the change in the carbon Auger peak from a carbide character to a graphite character. ...r electron observations of the SiC(0001) surface|year=1975|journal=Surface Science|volume=48|pages=463–472|issue=2|last1=Van Bommel|first1=A.J.|last2=Crombeen ...25 KB (3,644 words) - 19:41, 18 February 2025
- * 3rd century BC - [[Archimedes]] displays [[geometric series]] in ''[[The Quadrature of the Parabola]].'' He further develops the method of e ...ges=482–484 |s2cid=206644971 |url=https://www.science.org/doi/full/10.1126/science.aad8085}}</ref> ...14 KB (1,903 words) - 00:39, 2 March 2025
- ...2005) was an Indian [[historian of science|historian]] of [[Indian science|science]], particularly the [[Indian astronomy|astronomy]] and [[Indian mathematics ....pdf Critical Evidence to Fix the Native Place of Āryabhat̟a-I], [[Current Science]] 93(8)</ref> ...25 KB (3,362 words) - 02:59, 22 January 2025
- ...the Bk<sup>4+</sup> ions is yellow in hydrochloric acid and orange-yellow in sulfuric acid.<ref name=e55>Peterson, p. 55</ref><ref name="HOWI_1956">Holl ...mv047vq}}</ref> [[Berkelium(IV) oxide]] is a brown solid that crystallizes in a cubic ([[fluorite]]) crystal structure with the [[space group]] ''Fm{{ove ...20 KB (2,992 words) - 04:48, 18 January 2025
- {{short description|Extent of water use in relation to consumption by people}} ...individual or community or produced by the business. Water use is measured in water volume consumed ([[evaporated]]) and/or polluted per unit of time. A ...47 KB (6,730 words) - 22:21, 16 November 2024
- ...tions]]''. It provides methods to find the values that solve all equations in the system at the same time, and to study the set of these solutions. ...16th and 17th centuries when a rigorous symbolic formalism was developed. In the mid-19th century, the scope of algebra broadened beyond a [[theory of e ...139 KB (19,646 words) - 08:22, 1 March 2025
- ...ty of Kadesh.jpg|thumb|Tablet of one of the earliest recorded [[treaties]] in history, [[Egyptian-Hittite peace treaty|Treaty of Kadesh]], at the [[Istan ...ital is being spent. This practice has existed in some form for centuries; in ancient [[Egypt]], for example, when grain was often used as currency, loca ...163 KB (23,416 words) - 11:43, 24 February 2025
- ...hagorean theorem''' or '''Pythagoras' theorem''' is a fundamental relation in [[Euclidean geometry]] between the three sides of a [[right triangle]]. It ...ed distance between two points equals the sum of squares of the difference in each coordinate between the points. ...94 KB (14,362 words) - 04:02, 3 February 2025
- ...be represented by symbolic abbreviations, and finally a "symbolic" stage, in which comprehensive notational systems for formulas are the norm. ...lo.edu/mad/Ancient-Africa/lebombo.html|title=OLDEST Mathematical Object is in Swaziland|publisher=|accessdate=March 15, 2015}}</ref><ref>{{cite web|url=h ...65 KB (8,524 words) - 17:13, 26 February 2025
- ...ive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human [[prehistory]] and ...phy|demographers]] predict that the human population will begin to decline in the second half of the 21st century.<ref>{{Cite news |last1=Cave |first1=Da ...126 KB (15,649 words) - 15:27, 17 February 2025
- ...lden Age''' was a period of scientific, economic, and cultural flourishing in the [[history of Islam]], traditionally dated from the 8th century to the 1 ...ts|Mongol invasions]] and the [[Siege of Baghdad (1258)|Siege of Baghdad]] in 1258.<ref name="Tahir Abbas">{{cite book|title=Islamic Radicalism and Multi ...123 KB (17,641 words) - 08:50, 18 February 2025
- [[File:Oxford coat of arms 20050303.jpg|thumb|City coat of arms in [[Oxford Town Hall|Town Hall]]]] ...east of the town centre (on the site of modern-day [[Magdalen Bridge]]) is in existence.<ref name=OHW3>{{cite book|first=Malcolm|last=Graham|title=On Foo ...237 KB (32,484 words) - 01:34, 16 February 2025