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- Steel (28384 bytes)
3: ...ength|stronger]] than iron, but is also more [[brittle]]. One classical definition is that steels are ...
11: ... often emerge during this process, leading to a patterned layering known as [[pearlite]] due to its [[...
13: ...al composition. As such, it requires extremely little thermal [[activation energy]] to form.
17: ...y, these internal stresses can cause a part to shatter as it cools; at the very least, they cause inte...
19: ...ugh time for cementite, etc., to form) and help settle the internal stresses and defects. This soften... - Melisende of Jerusalem (16880 bytes)
19: ...ugh Hugh, by strict [[male succession]], held a better claim to the throne. Hugh was a cousin of Melis...
21: ...uccessful assassination attempt against Hugh was attributed to Fulk or his supporters. This was reason...
23: ...attempt to take the initiative, even in trivial matters, without (Melisende's) knowledge". Husband and...
37: ...rad had badly advised 16-year old Baldwin III to attack the Muslim city-state of [[Damascus]]. The oth...
45: ... Tension between mother and son mounted between [[1150]] and [[1152]], with Baldwin blaming Manasses for... - Agnes of Courtenay (6051 bytes)
3: ...alon]], in [[1157]], after Hugh was captured in battle by the Muslims. The marriage was opposed by the... - Hildegard of Bingen (14070 bytes)
6: ...wers a small nunnery sprang up around her. Upon Jutta's death in [[1136]] Hildegard was chosen superio...
11: ...years Hildegard confided of her visions only to Jutta and another monk, named Volmar, who was to becom...
17: ...r was rather perfunctory, he did bring it to the attention of [[Pope_Eugenius_III|Pope Eugenius]] (114...
22: ...n almost any other medieval composer. Among her better known works is the ''Ordo Virtutum'' ("Order of...
24: ...rd also authored ''Physica and Causae et Curae'' (1150), both works on natural history and curative powe... - Medieval art (6359 bytes)
27: ... the vast majority of artwork was destroyed; so little remains that today any discovery sheds new unde...
29: ...tyle. [[Gothic sculpture]] was born in France in 1150 and spread throughout Europe, by the 13th century...
38: ***[[Pottery]]
98: **[[Sutton Hoo]] - Blast furnace (4721 bytes)
1: ... and [[ore]] are supplied with [[air]] from the bottom of the chamber such that the [[chemical reactio...
4: ...loped there, or whether the technology was transmitted to [[Europe]] by the [[Mongol Empire|Mongols]].
9: ...our out, and once emptied, another valve at the bottom opened to remove the pig iron.
23: ...gh carbon content, around 4-5%, making it very brittle. Further processing was needed to reduce the ca... - Medieval music (31843 bytes)
2: ...umb|200px|Medieval Musicians. Image provided by [http://classroomclipart.com Classroom Clipart]]]
3: ...a and the beginning of the [[Renaissance]] is admittedly arbitrary, 1450 is used here.
17: ... system for rhythm in which one of six possible patterns was denoted by a particular succession of not...
18: ...thumb|200px|left|Lute Guitar. Image provided by [http://classroomclipart.com Classroom Clipart]]]
19: ...usly. Many scholars, citing a lack of positive attributory evidence, now consider "Virty"'s treatise... - Castle (27805 bytes)
2: ... of the [[feudalism|feudal]] age, often remained attached to the dwelling, resulting in many un-castle...
5: ...right|200px|The Prague Castle Image provided by [http://classroomclipart.com Classroom Clip Art]]]
7: ...d along the coast of Ireland. Image provided by [http://classroomclipart.com Classroom Clip Art]]].
10: ...atures of European castles - e.g. portcullises, battlements and drawbridges.
21: ...le had considerable judicial powers over his [[Scottish clan]] and the main hall of the castle served ... - Phoenix, Arizona (34271 bytes)
46: The earliest settlers in the Valley of the Sun were the [[Hohokam]]...
68: ...|thumb|150px|Arizona State Map|Image provded by [http://classroomclipart.com Classroom Clipart]]]
72: ...t moved to Phoenix from [[Prescott, Arizona|Prescott]] in [[1889]].
90: ...ands of citizens have served on various city committees, boards and commissions to assure that major d...
97: ... [[Mesa, Arizona|Mesa]], [[Scottsdale, Arizona|Scottsdale]], [[Glendale, Arizona|Glendale]], [[Tempe, ... - Des Moines, Iowa (13222 bytes)
5: ...r it was shortened to "Des Moines" in [[1857]]. [http://www.ci.des-moines.ia.us/departments/AC/Informa...
9: ...owa_state_map.jpg|thumb|250px|Image provided by [http://classroomclipart.com Classroom Clipart]]]
95: *[http://www.praise940.com KPSZ] 940, christian music a...
97: *[http://www.kwky.com/welcome.htm KWKY] 1150, christian talk, music
98: *[http://www.1350krnt.com KRNT] 1350, "Great Songs, Gre... - List of philosophers (79981 bytes)
3: {{compactTOC}} __NOTOC__
39: *[[Leone Battista Alberti]], (1404-1472)
43: *[[Rogers Albritton]]
55: *[[Francesco Algarotti]], (1712-1764)
57: *[[Archibald Alison (Scottish author)|Archibald Alison]], (1757-1839){{fn|R}... - Olmec (8916 bytes)
11: ...ex to create [[rubber]] as early as [[1600 BC]] [http://web.mit.edu/org/m/materialculture/www/rubberpr...
14: ...distinctively Olmec features begin to emerge at c.1150 BCE. The rise of [[civilization]] here was probab...
21: ...status in various regions of ancient Mexico''" ([http://www.archaeology.org/online/features/olmec/inde...
23: ...high temperatures is that of [[Ancient Egypt]] ([http://www.findarticles.com/p/articles/mi_m1026/is_n3...
50: ...he Olmec culture, such as iron, elephants, and written records. - Sumer (14409 bytes)
2: ...uthern part of [[Mesopotamia]] from the time of settlement by the Sumerians until the time of [[Babylo...
21: ...ere in turn defeated by the [[Elamites]] around [[1150 BC]].
24: ...able)|leek]]s and [[mustard]]. They also farmed cattle, [[sheep]], [[goat]]s, and [[pig]]s. They used ...
28: ...[raking|raked]] thrice, and pulverized with a [[mattock]].
37: ...re advanced materials and techniques, such as [[buttress]]es, [[recess]]es, [[half column]]s, and [[cl... - Ashkelon (5935 bytes)
12: ...c tabernacle was found a finely cast bronze statuette of a bull calf, originally silvered, 4 inches (1...
14: ...150 BCE]]. Their earliest pottery is similar to pottery found at [[Mycenae]] in mainland [[Greece]], a...
18: ... strategic port for Islam after the [[Battle of Hittin]], [[July 4]], [[1187]], but with the [[Third C...
22: * [http://www.ashkelon.muni.il/Open.asp City of Ashkelon...
23: ...e city English page] (Don't miss the "Site Map" button) - Erbium (9509 bytes)
58: | [[State of matter]]
94: | 14.3 [[watt per metre-kelvin|W/(m*K)]]
100: | 1150 kJ/mol
182: ...lements in the [[mineral]] [[gadolinite]] from [[Ytterby]] in [[Sweden]].
183: ...0px|left|Chemistry Clipart .Clipart provided by [http://classroomclipart.com Classroom Clip Art]]] - Iron (23778 bytes)
49: <tr><td>[[State of matter]] </td><td>solid ([[ma...
73: ...vity]] </td><td> 80.2 [[watt per metre-kelvin|W/(m*K)]]</td></tr>
133: ...0px|left|Chemistry Clipart .Clipart provided by [http://classroomclipart.com Classroom Clip Art]]]
147: ...ted together. It is extremely strong, hard and brittle. Working cast iron, even white hot cast iron, t...
161: ...ad a surface of [[steel]], was harder and less brittle than the bronze it began to replace. - Silicon (13233 bytes)
44: ... because its [[passivation|native oxide]] forms better semiconductor/dielectric interfaces than almost...
45: ...0px|left|Chemistry Clipart .Clipart provided by [http://classroomclipart.com Classroom Clip Art]]]
51: ...nd its silicates are used in making enamels and pottery.
77: Liquid silicon collects in the bottom of the furnace, and is then drained and cooled....
82: ...ted States dollar|$]] 0.56 per pound ($1.23/kg).[http://minerals.usgs.gov/minerals/pubs/commodity/sili... - History of science in the Middle Ages (30877 bytes)
16: ...llectuals lived in an atmosphere which provided little institutional support for the disinterested stu...
18: In the end of the [[8th century]] the first attempt at rebuilding Western culture occurred. [[Cha...
35: ...ntinuation of the work of researchers like [[Al Battani]].
49: ...]]; even though, up to now, the credit for this latter achievement has been given to [[Hooke]].
143: ... he was also interested in [[alchemy]], having written an important treatise titled ''Aurora Consurgen... - Elamite Empire (23098 bytes)
13: ...e deciphered. Several stages of the language are attested; the earliest date back to the third milenni...
19: ...he establishment of the Awan dynasty. The first attestation of the name of the kingdom is in a text o...
21: ...together under a coordinated government that permitted the maximum interchange of the natural resource...
38: ...ites were able to gain revenge. Kutir-Nahhunte I attacked Samsuiluna (c. 1749 - c. 1712 BCE), Hammurab...
43: After two centuries for which little is known, the Middle Elamite period opened with...
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