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- Hildegard of Bingen (14070 bytes)
1: ...g|right|framed|A medieval illumination showing Hildegard von Bingen and the monk Volmar]]
3: ...|German]] [[abbess]], [[Monasticism|monastic]] leader, [[Mystics|mystic]], author, and composer of [[m...
6: ... up around her. Upon Jutta's death in [[1136]] Hildegard was chosen superior of the community, and eve...
8: ...ling physically ill from carrying the unspoken burden.
11: ... of the meaning of the religious texts, and commanded her to write down everything she would observe i... - Glass (26176 bytes)
1: The materials definition of a '''glass''' is a uniform [[amorphous...
3: ...ed the word ''glaes'' to describe [[amber]], recorded by [[Roman Empire|Roman]] historians as ''glaesu...
5: ...glasses in common use as a building, container or decorative material.
9: ...d with very smooth and impervious surfaces. These desirable properties lead to a great many uses of gl...
13: ...ommon glass''' is mostly amorphous [[silicon dioxide]] ([[Silicon|Si]][[Oxygen|O]]<sub>2</sub>), which... - Volcano (27295 bytes)
1: ...o2.jpg|thumb|225px|left|Volcano Illustration provided by [http://classroomclipart.com Classroom Clipar...
2: ...) where [[magma]] (rock of the earth's interior made molten or liquid by high pressure and temperature...
10: ...mple. This type of volcano has a tendency to explode because it easily plugs. [[Mount Pel饝] on the i...
12: ... and ''mafic'' are sometimes substituted by the older chemistry terms "acidic" and "basic", respective...
15: ... huge quantities of lava that gradually build a wide mountain with a shield-like profile. Their lava f... - Sun (20830 bytes)
2: ...="margin: 0 0 1em 1em; border: 1px #aaa solid; border-collapse: collapse;" align="right" width=280px
13: ! align="left" | [[Apparent magnitude|Visual brightness]] (''V'')
16: ! align="left" | [[Absolute magnitude]]
48: ! align="left" | Density
76: | 7.25[[degree (angle)|?]] <br>(to the [[ecliptic]]) <br>67.... - Comet (30542 bytes)
3: ...mets are composed largely of frozen [[carbon dioxide]], [[methane]] and [[water]] with [[dust]] and va...
5: ... sun consisting of debris left over from the [[condensation]] of the [[solar nebula]]; the outer edges...
11: ... sight. They were usually considered bad omens of deaths of kings or noble men, or coming catastrophes...
15: ...ics that tend to be very dark, like [[tar]] or crude [[Petroleum|oil]]. The very darkness of cometary ...
17: ...and far ultraviolet photons [http://www.kvi.nl/~bodewits]. - Meteorology (19082 bytes)
12: ...d in [[1667]] by [[Robert Hooke]], while [[Horace de Saussure]] completed this list of the most import...
14: ... was also the first American to keep accurate and detailed records of weather conditions on a daily ba...
16: ...s was understood. Early in the 20th century this deflecting force was named after [[Gaspard-Gustave C...
18: ...lowed exchange of weather information with unprecedented speed.
20: ... [[front (meteorology)|front]]s, that is, sharply defined boundaries between air masses. - Microscope (8708 bytes)
1: ...te or very small, not easily visible with the unaided eye. In other words, requiring a ''microscope'' ...
11: ...c aberration]] and [[spherical aberration]]. In modern microscopes the mirror is replaced by a lamp un...
24: #object holder or stage
26: #diaphragm and [[condenser]]
34: ...tudy thin specimens as they have a very limited [[depth of field]]. Typically they are used to examine... - Alternative technology (2518 bytes)
3: ...rials, or that reduce or eliminate [[waste]] or [[emission]]s at the source of generation.
5: ...l research should be done and how it should be funded; and which of a field of competing alternative t...
7: ...adopted, after which they might no longer be considered "alternative." For example, a class of chemic...
11: * Liquid fuels for automobiles (besides [[gasoline]] and [[diesel]])
19: ...osynthetic]] "[[Gratzel cell]]s" ([[Titanium dioxide]]) - Lightning (33113 bytes)
2: ...ning strokes are observed during a night-time thunderstorm.]]
6: ...e air, producing lightning's characteristic [[thunder]] sound.
10: ...but while waiting for its completion, he got the idea of using a flying object, such as a [[kite]] ins...
12: ...fallen during the storm had soaked the line and made it conductive.
14: ...ted the original high-object-with-some-spark-gap idea that they used, so he usually gets the credit. - Atom (12300 bytes)
1: {| border="1" cellspacing="0" align="right" cellpadding="2...
7: | align="center" | '''Helium atom model (not to scale)'''<br>Showing nucleus with two pr...
43: ...or example, technetium and californium have been identified in supernovae.
48: ...her types of chemical compounds. Molecules are made up of multiple atoms; For example, a molecule of ...
50: ...on quantum effects, such as in [[Bose-Einstein condensate]]. - 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... - Hybrid vehicle (47544 bytes)
3: ... Wheel]] Bus, a hybrid bus with an in wheel motor design. |300px]]
6: ...ference between a motor and a generator is one of design optimization only. ''See also [[motor-genera...
8: ...In the [[import scene]], hybrid was often used to describe an [[engine swap]], such as the common Hond...
12: ...l | accessdate=May 15 | accessyear=2000}} never made it into production as the program was replaced by...
14: ...[[nuclear power]], which can operate underwater indefinitely, though a number of nations continue to r... - Lung cancer (15648 bytes)
2: ...lignant tumour worldwide, causing up to 3 million deaths annually.
6: ...ee of spread). Possible treatment modalities include [[surgery]], [[chemotherapy]]) and/or [[radiation...
9: Common symptoms that suggest lung cancer include:
23: ...f the lung, known as [[Pancoast tumor]]s, may invade the local part of the [[sympathetic nervous syste...
28: ...py or CT-guided [[biopsy]] is often necessary to identify the tumor type. - Climate change (15859 bytes)
5: ... recent climate change]]. For global warming episodes in the geological record, see [[Permian-Triassic...
8: ...led [[climate forcing|climate forcings]], are divided into natural factors, such as variations in [[so...
12: ...nts associated with the [[Canadian Shield|Laurentide]] ice sheet and thus count as "internal variabili...
18: ...te system varies between chaotic and non-chaotic, depending on the state of the external forcing.
23: ...riod"]). See also the discussion at [[carbon dioxide]]. - Global warming (53726 bytes)
3: ... by anthropogenic (human-generated) [[carbon dioxide]] (CO<sub>2</sub>). The alternative view, that t...
5: ... also uncertainty about the accuracy of climate models. [[Climate commitment studies]] predict that ev...
7: ...limate change]]. Such changes can trigger various detrimental effects by causing [[flood]]s, [[drought...
16: ...supported by an international group of science academies from various countries including [[Brazil]], ...
18: ...lso pointed out that "authors evaluating impacts, developing methods, or studying paleoclimatic change... - Americium (6956 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
5: {| align="center" border="0"
20: | [[Chemical series]] || [[actinide]]s
37: | [[van der Waals radius]] || no data
45: | [[Oxidation state]]s ([[Oxide]]) || 6,5,4,'''3''' ([[amphoteric]]) - Antimony (9093 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
5: {| align="center" border="0"
26: | [[Density]], [[Mohs hardness scale|Hardness]]
40: | [[van der Waals radius]] || no data
48: | [[Oxidation state]]s ([[Oxide]]) || ?3, 5 (mildly [[acid]]ic) - Argon (6952 bytes)
1: {{Elementbox_header | number=18 | symbol=Ar | name=argon | left=[[ch...
24: {{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|188]] }}
32: ...5 [[day|d]] | dm=[[Electron capture|ε]] | de=? | pn=37 | ps=[[chlorine|Cl]] }}
34: ...r|y]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.565 | pn=39 | ps=[[potassium|K]] }}
36: ...]] | hl=32.9 [[year|y]] | dm=β<sup>-</sup> | de=0.600 | pn=42 | ps=[[potassium|K]] }} - Arsenic (12497 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
5: {| align="center" border="0"
25: | [[Density]], [[Mohs hardness scale|Hardness]]
39: | [[van der Waals radius]] || 185 pm
47: | [[Oxidation state]]s ([[Oxide]]) || '''+-3''',5 (mildly [[acid]]ic) - Berkelium (5697 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
5: {| align="center" border="0"
21: | [[Actinide]]s
41: | [[Density]]
47: {| border="1" cellspacing="0" cellpadding="2" width="100%"
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