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- Lise Meitner (3907 bytes)
4: ...wig Boltzmann]]. After she obtained her doctorate degree, she went to [[Berlin]] in [[1907]] to study ...
10: ...|Einstein]], who had the celebrity, to write President [[Franklin D. Roosevelt]] a warning letter, whi...
12: ...[[1966]], when Hahn and Meitner together were awarded the [[Enrico Fermi Award]] with [[Fritz Straßan...
17: ...h, (ed.) 1959. ''Trends in Atomic Physics: Essays Dedicated to Lise Meitner, Otto Hahn, Max von Laue o... - Germany (46412 bytes)
1: ... is bordered to the north by the [[North Sea]], [[Denmark]], and the [[Baltic Sea]], to the south by [...
3: ...ackground: #f9f9f9; border: 1px #aaaaaa solid; border-collapse: collapse; font-size: 95%;"
4: |+<big>'''Bundesrepublik Deutschland'''</big>
6: {| border=0 cellpadding=2 cellspacing=0 style="background:...
7: ...Germany]] || align=center width=130px| [[Image:Bundesadler.png|100px|Germany: Coat of Arms]] - History of science (41710 bytes)
2: Modern [[science]] is a body of verifiable [[empirical...
4: ... change is considered to be so fundamental that older inquiries are known as ''pre-scientific''. Still...
6: ...] concerns the [[Creativity|creative]] process of designing useful objects and systems, which differs ...
11: ...mphasize the view that scientific data is self-evident, value-free, and context-free.
13: ...e, and that there can be [[demarcation problem|no demarcation]] between science and any other form of ... - Albert Einstein (43065 bytes)
3: ... and [[physical cosmology|cosmology]]. He was awarded the [[1921]] [[Nobel Prize in Physics|Nobel Priz...
5: ...or a scientist. In his later years, his fame exceeded that of any other scientist in [[history of scie...
7: ... day Einstein receives popular recognition unprecedented for a scientist.
14: ...y was [[Jew]]ish (and non-observant); Albert attended a [[Catholic school|Catholic elementary school]]...
16: ...ct. Another, more recent, theory about his mental development is that he had [[Asperger's syndrome]], ... - Ionosphere (19365 bytes)
8: ...alance between these two processes determines the degree of ionization present at any given time.
10: ...e also mechanisms that disturb the ionosphere and decrease the ionization. There are disturbances suc...
14: ...imum solar activity. With an active sun electron density values are a factor of 10 higher.]]
19: ...] of 121.5 [[nanometre]](nm) ionizing [[nitric oxide]] (NO). In addition, when the sun is active with...
22: ...ow far it can reflect radio waves. On the night side of the Earth, the solar wind drags the ionosphere... - List of philosophers (79981 bytes)
23: *[[Adelard of Bath]], (12th century){{fn|C}}
26: *[[Aedesius]], (d. 355)
27: *[[Aenesidemus]], (1st century BC){{fn|R}}
37: *[[Alain de Lille]], (c. 1128-1202)
44: *[[Alcibiades]], (c. 450-404 BC) - Time (15299 bytes)
1: ...ight|thumb|230px| Clock Tower, Prague. Image provided by [http://classroomclipart.com Classroom Clip A...
3: ...difficult to provide an uncontroversial and clear definition of the nature of time. This article begin...
9: ...d years having significant variations in length. Despite its great social importance, the [[week]] is...
11: ...f time is so critical to the functioning of our modern societies that it is coordinated at an internat...
15: ...udying the [[past]]. Events in the past can be ordered in a sequence (creating a [[chronology]]), and... - Minute (1467 bytes)
7: ...r '''[[minute of arc]]''', and can further be divided into 60 [[arcsecond|seconds of arc]].
9: ...ute of right ascension''', and can be further divided into 60 seconds of right ascension.
13: ...y an apostrophe, or single quote (<code>U+0027</code>), is used.
19: :''See also'' [[1 E1 s|the "orders of magnitude" list that contains the minute]] - History of chemistry (8174 bytes)
3: ...|thumb|150px|left|Chemistry Clipart .Clipart provided by
6: ==The vitalism debate and organic chemistry==
8: ...], and other synthetic [[dye]]s, as well as the widely used drug [[aspirin]]. The discovery also contr...
12: ...planation of [[Brownian motion]] in the first decade of the [[20th century]].
14: ... the atom as a branch of [[physics]], but was awarded the [[Nobel Prize]] in chemistry, not physics, f... - Physics (25628 bytes)
2: ...ear particles from which all ordinary matter is made ([[particle physics]]) to the behavior of the mat...
4: ...of the underlying molecules, which are accurately described by areas of physics such as [[quantum mech...
6: ...cs, known as [[mathematical physics]], devoted to developing the mathematical structure of physical th...
15: ...hich no practical experimental test has ever been devised.
19: ...research into more specialized topics, and any student of physics, regardless of his or her specializa... - Scientific method (40667 bytes)
1: ...of building a supportable, [[evidence]]-based [[understanding]] of our natural [[world]].
6: ...ds for scientific inquiry is indivisible from the development of science.
7: ...seased demons and other superstition, there is evidence of traditional empiricism.
9: ...s we experience it reaches an extreme in [[Parmenides]] who argued that the world is one and that chan...
11: ...ricism]]. For Aristotle, the Platonic, universal ideal is to be found in particular things, what he ca... - Color (30968 bytes)
4: ...ealth English]]) is a sensation which (in humans) derives from the ability of the [[cone cell|fine str...
9: <table border="0" cellspacing="0" cellpadding="2">
46: [[Image:Spectrum441pxWithnm.png]]<br><small>''Designed for monitors with [[gamma correction|gamma]...
59: <table border="0" cellspacing="0" cellpadding="2">
143: ...sation, although any such definition would vary widely among different species and also somewhat among... - Temperature (22519 bytes)
1: ...[[physics|physical]] property of a system which underlies the common notions of "hot" and "cold"; the ...
3: ==General description==
8: ... heat is added the temperature rises, similarly a decrease in temperature corresponds to a loss of hea...
10: ... [[extrinsic property|extrinsic properties]], and depend on the amount of material in the system.
15: ...ace. One application of this effect is the [[incandescent light bulb]], in which a [[tungsten]] filame...
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