Search results

...}</ref> and Bauer's conic sections. He earned a footnote in the history of science as the doctoral advisor (''Doktorvater'') of [[Heinrich Burkhardt]], who be ...r Gustav Lejeune Dirichlet]]. From 1842 Gustav Bauer continued his studies in [[Paris]] under [[Joseph Liouville]], as well as other mathematicians. ...

...Niger, 1969.jpg|thumb|A [[Niger]]ian man receives the [[smallpox vaccine]] in February 1969, as part of a global program that [[Smallpox#Eradication|succ ...a [[Zero sum|zero-sum game]]. Similarly, the degree of success or failure in a situation may be differently viewed by distinct observers or participants ...

...|author3=Andrew J. Szeri|year=2002|title=Inertially driven inhomogeneities in violently collapsing bubbles: the validity of the Rayleigh–Plesset equation :<math>\Delta P(t) = P_\infty(t) - P_B(t)</math>, in which, <math>P_B(t)</math> is the [[pressure]] within the bubble, assumed t ...

{{Short description|Concept in ecology}} ...d patterns in [[macroecology]]. Different populations in a community exist in relative proportions; this idea is known as relative abundance. ...

...ar flare]], [[solar particle event]], and [[geomagnetic storm]] components in early August 1972, during [[solar cycle 20]]. The storm caused widespread e ...Lin |first = R. P. |author2 = H. S. Hudson |title = Non-thermal processes in large solar flares |journal = Solar Physics |volume = 50 |issue = 1 |pages ...

{{Short description|Problem in hydrodynamics}} ...opment of the classical ellipsoids. ''International journal of engineering science'', 36(12), 1407–1420.</ref> ...

...nt of Physics, Moscow State University |location=Moscow |pages=100–105}} {{in lang|ru}}</ref> and his younger brother [[Karl Davydov|Karl Davidov]] (1838 ...of Sciences]]) for his paper "The Theory of Equilibrium of Bodies Immersed in a Liquid".<ref name=Levshin/> ...

...les Darwin by Julia Margaret Cameron, c. 1868.jpg|thumb|[[Charles Darwin]] in 1868]] ...with the [[Modern synthesis (20th century)|modern evolutionary synthesis]] in the early part of that century. Since then, research on speciation has expa ...

...t of its ''degree'', thus settling a conjecture posed by Nisan and Szegedy in 1992.{{sfn|Nisan|Szegedy|1994}} The proof is notably succinct, given that p Several papers in the late 1980s and early 1990s{{sfn|Blum|Impagliazzo|1987}}{{sfn|Hartmanis| ...

{{Short description|Canadian island in Lake Superior}} ...der Bay District, Ontario|Thunder Bay District]]. The third largest island in Lake Superior, after [[Isle Royale]] and [[St. Ignace Island]],<ref name="N ...

...ly proportional to the square of the speed of propagation of the radiation in the medium (Clausius): ...date=Jan 15, 2024}}</ref>, comparing the emission of hot, blackened copper in carbon dioxide and hydrogen. ...

[[File:Cyclope robot.jpg|thumb|right|Robot in a wooden maze]] ...eory]]. Intuitively, if one pulled and stretched out the paths in the maze in the proper way, the result could be made to resemble a tree.<ref>{{youTube| ...

...ter (ship)|Royal Charter]] in 1859 and the [[RMS Titanic|RMS ''Titanic'']] in 1912. ...he ocean during [[World War II]] led to delayed or secret weather reports, in order to maintain a competitive advantage. [[Weather ship]]s were establis ...

[[Bats]] are the only mammal capable of [[Active flight in animals|true flight]]. Bats use flight for capturing prey, breeding, avoidi ...ibia]], uropatagium, keel, [[calcar]], [[tail]], and hind foot (being held in between the fingers).]] ...

{{Short description|Chemical process in which foam is used to separate components of a solution}} ...-scale projects such as water waste treatment due to a continuous gas flow in the solution. ...

[[File:Fritz Menzer vor 1945.jpg|thumb|right|Fritz Menzer in his military uniform at the end of the war]] ...ehr]], the military intelligence service of the Wehrmacht. He was involved in the development and production of cryptographic devices and procedures, as ...

...ho were unwilling to learn codes, and employers who did not want to invest in staff training. ...s most successful system was eventually a one-needle system that continued in service into the 1930s. ...

...kill |first2=William |last1=Pummer |first1=Theron |s2cid=241220220}}</ref> In a book written by effective altruism scholars Stefan Schubert and Lucius Ca ...=July 2021 |title=The Psychology of (In)Effective Altruism |journal=Trends in Cognitive Sciences |volume=25 |issue=7 |pages=596–607 |doi=10.1016/j.tics.2 ...

{{short description|Law describing the pressure drop in an incompressible and Newtonian fluid}} ...re drop]] in an [[incompressible]] and [[Newtonian fluid|Newtonian]] fluid in [[laminar flow]] flowing through a long cylindrical pipe of constant cross ...

...r system|Nonlinear]] ones are of particular interest for their commonality in describing real-world systems and how much more difficult they are to solve |An example of a nonlinear [[delay differential equation]]; applications in [[number theory]], [[distribution of primes]], and [[control theory]] ...