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...e.com/watch?v=OR5uzbPajzM Youtube], retrieved 21 March 2021. Johns Hopkins Science Review, Baltimore, MD</ref> ...(87)90034-4 |hdl=2027.42/26512 |language=en-US|issn=0025-5564|via=Elsevier Science Publishing Co.|hdl-access=free}}</ref> It was not until 1950 that mathemati ...

...ne'' was introduced by William M. White, who obtained a U.S. patent for it in 1917.<ref>{{US patent|1223843}} Apparatus for utilizing the hydraucone acti ...ine. It only requires a shallow excavation, however, which is an advantage in rocky terrain. Its compact shape makes it suitable for small hydro projects ...

...and [[John August Anderson]] in the 1920s to record local [[earthquakes]] in [[southern California]]. It photographically records the horizontal motion. ...in Pasadena.<ref name=Geschwind>{{cite book|title=California Earthquakes: Science, Risk, and the Politics of Hazard Mitigation|url=https://archive.org/detail ...

...The "dryness fraction", ''x'', gives the fraction by mass of gaseous water in the wet region, the remainder being droplets of liquid.]] ...me <math>V</math> using the relationship <math>H = U + pV \,\!</math> (or, in terms of [[specific enthalpy]], [[specific entropy]] and [[specific volume] ...

...on|American academic, scholar of Gandhi and non-violence, justice advocate in India and America}} ...orado. Now in retirement, his work centers around social change, political science, and history. ...

...ic and Differential Topology, 1900 - 1960 |date=2009 |publisher=[[Springer Science+Business Media|Springer]] |isbn=978-0-8176-4907-4 |page=289 |url=https://bo ...amental theorem of calculus]] is the basic result in [[integral calculus]] in one dimension, and a primal "integral theorem". An [[antiderivative]] of a ...

...nally, objects such as galaxies, stars, and planets could not have existed in the extreme temperatures and densities shortly after the [[Big Bang]]. ...odern [[Big Bang]] theory. If the universe had expanded at a constant rate in the past, the age of the universe now (i.e. the time since the Big Bang) is ...

...agnetism|last2=Ramakanth|first2=Anupuru|date=2009-10-03|publisher=Springer Science & Business Media|isbn=978-3-540-85416-6|language=en}}</ref> ...s show that most non-magnetic materials have a susceptibility that behaves in the following way: ...

...0042-207x(93)90123-r | pages=681–684| bibcode=1993Vacuu..44..681C }}</ref> In general, molecular drag pumps are more efficient for heavy gasses, so the l The [[turbomolecular pump]] invented in the 1950s, is a more advanced version based on similar operation, and a Hol ...

...ementary mathematics which were repeatedly reprinted from the 1860s to the 1920s. He was president of the [[Moscow Mathematical Society]] from 1866 to 1885. ...nt of Physics, Moscow State University |location=Moscow |pages=100–105}} {{in lang|ru}}</ref> and his younger brother [[Karl Davydov|Karl Davidov]] (1838 ...

...e of length scales, a prerequisite for the appearance of an energy cascade in the turbulence modelling.]] ...r]]. Strictly speaking, a cascade requires the energy transfer to be local in scale (only between fluctuations of nearly the same size), evoking a [[Casc ...

| length = {{cvt|5.87|m|in|1|order=flip}} | width = {{cvt|2.29|m|in|1|order=flip}} ...

...L alveografo di Chopin.jpg|thumb|Chopin alveograph is sitting on the table in front of the photo]] ...supposed to simulate the natural bubble growth during the fermentation and in the early stages of baking. An analysis of the recorded graph of pressure v ...

...[[large number]] 10¹⁰⁰ or ten to the power of one&nbsp;hundred. In decimal notation, it is written as the [[numerical digit|digit]] 1 followed ...ity include ''ten duotrigintillion'' on the [[short scale]] (commonly used in English speaking countries),<ref>{{cite book |last1=Bromham |first1=Lindell ...

...journal=Science | volume=312 | issue=5777 | date=2006-05-26 | doi=10.1126/science.1123889 | pages=1188–1190| pmid=16728635 | bibcode=2006Sci...312.1188D | s2 ...2=Ju-Young | last3=Greer | first3=Julia R. | title=Fundamental Differences in Mechanical Behavior between Two Types of Crystals at the Nanoscale | journa ...

...sure red-shifted 21-cm [[hydrogen line]] emission on large angular scales, in order to map out the [[baryon acoustic oscillations]], and constrain models ...te for Mathematical Sciences]], the [[Botswana International University of Science and Technology]], the [[University of the Western Cape]], [[Rhodes Universi ...

The '''Goldschmidt alternator''' or '''reflector alternator''', invented in 1908 by German engineer [[Rudolph Goldschmidt]],<ref name="Burns">{{cite bo ...station]]s to transmit transoceanic [[radiotelegraphy]] traffic, until the 1920s when it was made obsolete by [[vacuum tube]] transmitters. ...

[[Radio wave]]s were first identified in German physicist [[Heinrich Hertz]]'s 1887 series of experiments to prove J ...and were not used for communication but instead as laboratory instruments in scientific experiments and engineering demonstrations. ...

...that the Sun takes to return to the same [[position of the Sun|position]] in the sky – as viewed from the Earth or another [[celestial body]] of the [[S ...around the Sun as measured with respect to the [[fixed stars]], resulting in a duration of 20 [[minute (time)|minute]]s longer than the tropical year, b ...

...lain, and predict [[List of natural phenomena|natural phenomena]]. This is in contrast to [[experimental physics]], which uses experimental tools to prob ...eoretical formulation.<ref name="Ref_s">{{cite web|title = The Nobel Prize in Physics 1921|publisher =The [[Nobel Foundation]]|url = http://nobelprize.or ...