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- Steel (28384 bytes)
3: ...ontent can be made harder and [[tensile strength|stronger]] than iron, but is also more [[brittle]]. O...
8: ... material with limited uses on its own. Iron is extracted from [[ore]] by removing the oxygen by combi...
11: ...ementite-ferrite mixture. Cementite is a stochiometric phase with the chemical formula of Fe<sub>3</su...
13: ...cal chemical composition. As such, it requires extremely little thermal [[activation energy]] to form...
15: ...place. The transformation into martensite, by contrast, occurs almost immediately, due to a lower act... - Eleonora di Arborea (2091 bytes)
5: ...nora d'Arborea''' (or Eleanora di Arboria ?) (c [[1350]] - [[1404]]) was a [[Sardinia|Sardinian]] ''giud...
7: ...caleone Doria, a Sardinian nobleman, in order to strengthen local alliances. Mariano died in 1376 and ...
9: ...rces, Eleonora was able to negotiate a favourable treaty. Her eldest son Federigo died during this war...
11: ...red to be far in advance of the laws of other countries, the penalty for most crimes being a fine, and... - History of sculpture (6101 bytes)
1: ... '''history of sculpture''' is varied and is illustrative of how sculpture has changed extensively ove...
4: ...25,000 BC), from the area of [[Willendorf]], [[Austria]], is a well-known example.
13: ...sopotamia]]), and was donated to the [[New York Metropolitan Museum of Art]] by [[John D. Rockefeller,...
16: ... mixing eye make-up, was carved in relief, and portrayed the victory of [[Upper Egypt]] over [[Lower E...
20: ...araoh [[Akhenaton]] and his Queen, [[Nefertiti]] (1350 BC). The statues are carved from limestone and a... - Blast furnace (4721 bytes)
4: ...ly developed there, or whether the technology was transmitted to [[Europe]] by the [[Mongol Empire|Mon...
6: ...sed to the point that fuel-wood was becoming a [[strategic resource]], and the use of a [[coal]]-deriv...
23: ...e to operate on a large scale. However with the introduction of the [[Bessemer process]] the conversio...
25: ...eat) the mix, and use fairly complex systems to extract the heat from the hot carbon dioxide when it e... - Portugal (61755 bytes)
1: ...uthwestern [[Europe]], and is the westernmost country in continental Europe. Portugal is bordered by [...
5: ...l, and cultural power. The [[Portuguese Empire]] stretched across the world. After the rise of other c...
7: ...ctatorial regime in [[1974]] and the subsequent entry in the [[EEC]] (today's [[European Union]]) in [...
15:
17: ... decades, the Romans increased their sphere of control. But in [[194 BC]] a rebellion began in the nor... - Cotton (7876 bytes)
2: ...lant]], a [[shrub]] native to the tropical and subtropical regions of both the [[Old World]] and the [...
4: ... in a way that gives cotton unique properties of strength, durability, and absorbency. Each fiber is m...
9: ...ake very fine lightweight [[cloth]] in areas with tropical climates for millennia. Some authorities cl...
11: ...[[sheep]]. The Indians make their clothes of this tree wool".
13: ...uage|German]] ''Baumwolle'', which translates as "tree wool". - Ra (2793 bytes)
2: ...rief suspension during the time of [[Akhenaten]] (1350-1334 BC) when [[monotheism|monotheistic]] worship...
8: ...n the other side of Horus. Many of the other gods travelled in the boat with them, and [[Set (mytholog...
10: ...the symbol ⊙ (Circle with a point at its centre). He was also associated with the [[Phoenix]], a...
12: ...issed her, but she changed into a [[cat]] that destroyed any man or god that approached. Thoth, disgu... - Aelianus Tacticus (2273 bytes)
3: ...nish]] and [[Netherlands|Dutch]] systems, and the translations made in the 16th century formed the gro... - Mercury (planet) (22924 bytes)
3: ...an god]] [[Mercury (mythology)|Mercury]]. The [[astronomical symbol]] for Mercury is a circle on top o...
16: ...[Sun]] (the Sun's tides on Mercury are about 17% stronger than the Moon's on Earth).
32: ...h between two [[meridian]] [[Astronomical transit|transit]]s of the Sun) lasts about 176 Earth days.
34: ...thus, the Sun appears to be [[retrograde motion|retrograde]]. Four days after perihelion, the Sun's no...
42: ...pan="2" | [[Orbit]]al characteristics ([[Epoch (astronomy)|Epoch]] [[J2000]]) - Giovanni Boccaccio (10149 bytes)
2: ...er individuals who are grounded in reality (in contradiction to the characters of his contemporaries, ...
7: ...'Studium'' in the city. However, his father had introduced him into the Neopolitan nobility and the Fr...
11: ...the source for [[Geoffrey Chaucer|Chaucer]]'s ''[[Troilus and Criseyde]]''), ''Teseida'' (ditto the ''...
13: ...that city of 1340 but also missing the visit of Petrarch to Naples in 1341. He had left Naples due to ...
15: ... was spending much time in Ravenna, seeking new patronage, and despite his claims it is not certain he... - Hundred Years' War (30012 bytes)
3: ...r was primarily fought in France, and though in retrospect it has the feeling of a French [[civil war]...
8: ...ship and installing a new [[Anglo-Norman]] power structure as William took the English throne as Willi...
17: ...land, and only [[Bordeaux]] and a narrow coastal strip now remained in English possession. The recover...
21: ...Edward II]] and was at the time effectively in control of the crown, having forced her politically wea...
27: England controlled [[Gascony]] in what is now southwest France,... - History of astronomy (13532 bytes)
2: ... up by cultures around the world using the raw, astronomical data collected.
4: Ancient astronomers were able to differentiate between stars a...
8: ...such as [[Stonehenge]]) probably fulfilled both astronomical and [[religion|religious]] [[social funct...
14: ... was the case around 4500 BC. Fire altars, with astronomical basis, have been found in the third mille...
18: ...t on [[Vedic astrology]] that has been dated to [[1350 BC]], was written by [[Lagadha]]. - Nubia (8928 bytes)
5: ...e 8th and 9th centuries AD. It is considered ancestral to modern day Nobiin.
13: As trade between Egypt and Nubia increased so did wealt...
19: ... by the [[Roman Empire|Romans]]. The Kushites did trade with the Romans, and were also a source of mer...
21: ...g small armies of mercenaries. They fought for control of what is now Nubia and its surrounding territ...
28: ... which states that in [[719]] the church of Nubia transferred its allegiance from the [[Greek Orthodox... - Des Moines, Iowa (13222 bytes)
8: Des Moines is located in the south central part of the state. The [[Des Moines River]] (fr...
14: ...km) [[skyway|skywalk]] system, allowing people to travel between buildings without going out of doors.
26: area = 200.1 [[square kilometre|km²]] (77.2 [[square mile|mi²]]) |
31: metro pop = 481,394|
33: time zone = Central| - List of philosophers (79981 bytes)
5: *[[Pietro d'Abano]], (1250?-1316)
34: *[[Pierre d'Ailly]], (1350-1420){{fn|C}}{{fn|R}}
102: *[[David Malet Armstrong]], (born 1926){{fn|C}}{{fn|O}}{{fn|R}}
185: *[[Bernard of Chartres]], (d. 1130){{fn|C}}
187: *[[Bernard Silvestris]] (or ''Bernard of Tours''), (1147-1178){{fn|R}... - History of Germany (53864 bytes)
5: ...e [[Low Countries]], and parts of northern and central [[Italy]]. But its sovereign was usually the Ge...
10: ...[[Germanic tribes]], [[Confederations of Germanic Tribes]], [[Germania]], [[Germania Inferior]], [[Ger...
15: ...e Rhine. Roman forts were built at [[Cologne]], [[Trier]], [[Koblenz]], [[Mainz]] and elsewhere to sec...
17: ... the emergence of a number of large West Germanic tribes - Alemanni, Franks, Chatti, Bajuwari, Saxons,...
19: ...heir own ancestral land. The mingling of Germanic traditions and the Christian religion gave rise to t... - Mycenaean Greece (6175 bytes)
6: ...on around [[1100 BC]]. The collapse is commonly attributed to the [[Dorian invasion]], though some arc...
8: ... [[1400 BC]] the [[Mycenaeans]] extended their control to [[Crete]], center of the [[Minoan civilizati...
10: ... chambers with a high vaulted roof and straight entry passage lined with stone. They often buried dagg...
12: ...n]] and they lost their literacy. Historians have traditionally blamed this decline on an invasion by ...
22: <tr style="background:#efefef"> - Iron (23778 bytes)
3: <tr><td colspan="2">
5: <tr><td colspan="2" align="center">[[manganese]] &nda...
6: </tr><tr>
7: ...henium|Ru]] <br> <br> </td></tr>
8: <tr> - Krypton (9031 bytes)
25: | 3.708 [[kilogram per cubic metre|kg/m<sup>3</sup>]] (<small>273 K</small>), NA
36: | no data (88) [[picometre|pm]]
44: | [[Electron configuration]]
47: | [[electron|e<sup>-</sup>]] 's per [[energy level]]
53: | [[Crystal structure]] - First Crusade (34670 bytes)
2: ...n power]], and was the only crusade – in contrast to the many that followed – to achieve i...
7: ...nd [[Aragon]] were all actively fighting Islamic strongholds in [[Majorca]] and [[Sardinia]], freeing ...
9: ... to the European nations. Muslims occupied the centre of the Christian universe, Jerusalem, which, alo...
12: ...onsolidating their own territories and gaining control of their neighbours, than with cooperating agai...
14: ...theastern Syria and northern Mesopotamia. They controlled Jerusalem until 1098. In eastern Anatolia an...
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