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{{Short description|Polish mathematician (1909- 1943)}} ...of mathematicians|mathematician]] of [[Jewish]] origin, known for his work in [[functional analysis]], [[group theory]] and [[combinatorics]]. He was a m ...

|caption = The 15mR ''Ma'oona'' in 1908. ...Spain, France, Britain and Germany. The rule was proposed for competition in the 1908 Olympics but there were no entries. ...

| caption = Aigner in discussion (1970). | birth_date = {{Birth date|1909|6|1|df=y}} ...

...er at the Realgymnasium (high school) in [[Stargard Szczeciński|Stargard]] in [[Pommern]]. Gerber is known for his controversial work on the [[speed of g ...emann, whereby the [[speed of gravity]] is equal to the [[speed of light]] in his theory.<ref group=A>Levy 1890</ref> However, because the basic laws of ...

Saprobic water quality is expressed in four classes ranging from I to IV; and with three intermediate grades (I-II ...duals. The following table follows the DIN 38410-1 (2008) standard used in Germany, where the next-bigger class is about three times larger than the previous ...

| alma_mater = [[Leipzig University]], [[Germany]] ...pe Town]] and [[Kimberley, Northern Cape|Kimberley]] and moved to Pretoria in 1887 where he became a prosperous grain and produce merchant. Pieter van de ...

| name = Geometric Exercises in Paper Folding | image = File:Geometrical Exercises in Paper Folding title page.png ...

...npellets01.JPG|thumb|Iron ore pellets produced by [[LKAB]], from ore mined in northern Sweden.]] ...ast furnaces]] or [[direct reduction]] plants. These pellets are spherical in shape, with diameters ranging from 8 to 18 millimeters. ...

...{Hero of Socialist Labour}}, {{Order of Lenin}}, Medal "For Valiant Labour in the Great Patriotic War 1941–1945", {{Stalin Prize}} ...hlopin<!---1st in 2nd line of name list, help is needed to obtain location in image--> at the 1st All-Union Meeting on Rare Elements, 1925]] ...

The Gibbs–Thomson effect, in common [[physics]] usage, refers to variations in [[vapor pressure]] or [[chemical potential]] across a curved surface or int ...such as liquids contained within porous media, this leads to a depression in the freezing point / melting point that is inversely proportional to the po ...

...datum]], the series deliver high accuracy in zones less than a few degrees in east-west extent. ...mentations|below]]. A comprehensive list of important ellipsoids is given in the article on the [[Figure of the Earth#table|Figure of the Earth]]. ...

...), so-called "Crab class"; given in payment for the locomotive ''PEGASUS'' in 1842 ...othwell]] (GB), [[driving wheel]] diameter 1372&nbsp;mm; ''COMET'' rebuilt in 1842 into B1 n2, retired by 1848 ...

|caption = At the award ceremony for the Charles University Medal in Potsdam, September 2007 |death_place = [[Potsdam]], [[Brandenburg]], Germany ...

{{short description|1938 achievement in physics}} ...r power]] and [[nuclear weapon]]s. Hahn was awarded the 1944 [[Nobel Prize in Chemistry]] for the discovery of nuclear fission. ...

...ed the [[Newcomen engine]] with his own [[Watt steam engine|steam engine]] in 1776. Watt's invention was fundamental for the [[Industrial Revolution]]. In terms of [[electromagnetism]], one watt is the rate at which [[electrical w ...

...in concept, how the [[Heisenberg uncertainty principle]] might be evaded. In a profound contribution to the literature on [[quantum mechanics]], Einstei ...|last1=El Skaf|first1=Rawad|title=What Notion of Possibility Should We Use in Assessing Scientific Thought Experiments?|journal=Revue de la Société de Ph ...

...variety in this group and goes back to [[Alfred Wilm]], who discovered it in 1903. Aluminium could only be used as a widespread construction material th ...[2014 aluminium alloy|2014]] and [[2024 aluminium alloy|2024]] alloys used in airframe fabrication. ...

...s or communities, ecohydraulics-modeling predicts how hydraulic conditions in a river change, under different development scenarios, the aquatic habitat ...the impacts of human-induced changes of water flow and sediment conditions in river ecosystems...<ref>{{Cite journal |last1=Casas-Mulet |first1=R. |last2 ...

...teilung'' ("cipher department") is, contrary to what one might expect, not in reference to the Greek letter Chi, nor anything to do with the [[chi-square ...ommunications Intelligence Organization.</ref> leading to some gains early in the war. Although the Germans worked to ensure its cryptologic services wer ...

...leon]] numbers ([[mass number]]s) due to different numbers of [[neutron]]s in their nuclei. While all isotopes of a given element have similar chemical p ...ned by Scottish doctor and writer [[Margaret Todd (doctor)|Margaret Todd]] in a 1913 suggestion to the British chemist [[Frederick Soddy]], who populariz ...