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- Steel (28384 bytes)
2: [[Image:Steel framework.jpg|thumb|300px|Steel framework]]
3: ...s, which are naturally arranged in a [[lattice]], from sliding past one another. Varying the amount of...
8: ...rtant that smelting take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iro...
11:
17: ...n this case, expansion occurs. Internal stresses from this expansion generally take the form of [[com... - Mae Jemison (5527 bytes)
3: ... [[Spacelab]] laboratory module. Jemison resigned from NASA in March 1993.
5: ... in science, she is well-versed in African and [[African-American Studies]] and is trained in [[dance]...
7: ...cer for [[Sierra Leone]] and [[Liberia]] in West Africa. Returning to Los Angeles, she resumed her med...
11: ...lled the requirements for an A.B. in African and Afro-American Studies. She attended [[Weill Cornell M...
13: ...munication system to improve health care in West Africa; and The Earth We Share, (TM) an international... - Calligraphy (20084 bytes)
2: '''Calligraphy''' (from [[Greek language|Greek]] καλ...
4: Calligraphy should be distinguished from the studies of [[epigraphy]] or [[palaeography]...
12: ...uan-shu and contained more than 3,000 characters. From that time to the present, there have been five ...
14: ... as a guide, hiragana and katakana were developed from simplified cursive versions of characters. In t...
52: ...clerical script is highly stylised, a development from seal script form. They are highly angular in ap... - Greek language (35285 bytes)
15: ...ied in schools and universities in many countries from the [[Renaissance]] onwards.
17: ... known world, it was spoken from [[Egypt]] to the fringes of [[India]]. After the [[Roman]] conquest o...
21: *'''[[Modern Greek]]''': Steaming directly from [[Koine Greek]], '''Modern Greek''' can be trac...
32: ... this is found in the [[Linear B]] tablets dating from [[1500 BC]]. The [[alphabet]] normally used, wa...
44: ...Austria]], [[Bulgaria]], [[Canada]], [[Egypt]], [[France]], [[Georgia (country)|Georgia]], [[Germany]]... - Ptolemy (10609 bytes)
1: ...German styling, in a 16th century engraved book [[frontispiece]]]]
11: ...midsummer day increases from 12h to 24h as you go from the equator to the polar circle). He put the m...
14: ...from the Arctic to the East-indies and deep into Africa; Ptolemy was well aware that he knew about onl...
16: ...pts of Ptolemy's ''Geography'' however, date only from about 1300, after the text was rediscovered by ...
18: ...on the ''Geography'' was on display in [[Autun]] (France) in late Roman times. In the 15th century Pto... - Geography (8541 bytes)
2: ...y]] and [[physical geography]]. The word derives from the [[Greek language|Greek]] words ''γ&et...
98: ...ut much controversy, that cartography is the seed from which the larger field of Geography grew. Most ...
99: Cartography has grown from a collection of drafting techniques into an act... - Pan pipes (2209 bytes)
8: ...sh plural|plural]] of ''syrinx'' is ''syringes'', from which the modern word ''syringe'' is derived. ...
15: * [http://www.panflutejedi.com/academypage.html Free Panflute Lessons] by Douglas Bishop - Nile (13738 bytes)
2: ...;695|1 134|2 830|3 400 000|[[Africa]]|the [[Mediterranean]]||[[Uganda]] - [[Sudan]...
4: ...604;نيل ''an-nīl''), in [[Africa]], is one of the two longest [[river|rivers]] ...
8: The word "Nile" comes from the word ''Neilos'' (Νει&lambda...
12: ...partly because it receives not a single tributary from its halfway mark at the [[Atbara River]] in [[S...
14: ...ely 6695 km (4160 miles) long. Measuring instead from Lake Victoria gives a length of approximately 5... - Geology (12007 bytes)
1: '''Geology''' (from [[Greek language|Greek]] γη- (''ge-''...
3: ... which includes the [[Crust (geology)|crust]], is fragmented into [[tectonic plates]] that move over a...
10: ...gical [[stratum]] in a mountain hundreds of miles from the ocean, he inferred that the land was formed...
12: ...her languages of Europe such as [[French language|French]]. [[Georg Bauer]] (Georg Agricola), a physic...
16: ... the [[Volcano|volcanic]] origins of this part of France. [[James Hutton]] recorded his ''Theory of th... - Age of the Earth (20052 bytes)
1: ...arth is not exactly known yet and the predictions from different accretion models vary between several...
4: ...s Ussher]] of [[Armagh]], [[Ireland]], calculated from the Bible (augmented by some [[astronomy]] and ...
6: ...ho thought the Earth and [[universe]] had existed from eternity.
9: ...tury]] that the Earth had been created separately from the rest of the universe, several hundred thous...
11: ... mostly speculative, but in [[1779]] the [[France|French]] naturalist the [[Georges-Louis Leclerc, Com... - Alexander the Great (42049 bytes)
9: ... Olympias was impregnated not by Philip, who was afraid of her and her affinity for sleeping in the co...
11: ...es]] through [[Caranus]] and his mother descended from [[Aeacus]] through [[Neoptolemus]] and [[Achill...
14: ... of Persia. [[Plutarch]] mentions an irate letter from Alexander to Darius III, where Alexander blames...
16: ...n a campaign to solidify control of Greece and confront the Persian Empire.
23: ...all coastal cities and denying them to his enemy. From Pamphylia onward the coast held no major ports,... - Pythagoras (10747 bytes)
9: ...is (a native of Samos) and Mnesarchus (a merchant from Tyre). As a young man he left his native city f...
13: ...e, reading and philosophical study. We may infer from this that participants required some degree of ...
16: ... as portrayed on [[Roman empire|Roman]] [[coin]]s from [[Samos]]]]
17: ...of [[reincarnation]]. His other teachings appear framed in pithy sayings, or ''sumbola'', often in qu...
19: ...urder and pain cannot reap joy and love" (excerpt from the book ''The extended circle'', by Jon Wynne-... - Astronomy (13970 bytes)
31: ... evolution]]: the study of the evolution of stars from their formation to their end as a stellar remna...
49: In astronomy, [[information]] is mainly received from the detection and analysis of [[electromagnetic...
56: ...to eliminate noise (electromagnetic interference) from the atmosphere.
64: ...ight is heavily absorbed by [[water vapor]], so infrared observatories have to be located in high, dry...
66: ...d (except for a few wavelength "windows") [[Far infrared astronomy]], so observations - Sun (20830 bytes)
10: ! align="left" | Mean distance from<br>Earth
21: ! align="left" | Mean distance from<br>[[Milky Way]] core
55: ! align="left" | [[Escape velocity]]<br> from the surface
122: ...onally referred to as '''Sol''' to distinguish it from other "suns". Planet [[Earth]] [[orbit]]s the ...
128: ...istance of about 25,000 to 28,000 [[light-year]]s from the [[galactic centre]], completing one revolut... - Asteroid (24334 bytes)
1: ...is picture of [[433 Eros]] shows the view looking from one end of the asteroid across the gouge on its...
4: The term "asteroid", meaning ''star-like'' (from the [[Greek language|Greek]] ''asteroeides'', '...
8: ...larger than 50 m in diameter, distinguishing them from [[meteoroid]]s, which are typically [[boulder]]...
14: ...Earth's solar system. As of [[May 23]], [[2005]], from a total of 277,090 minor planets with calculate...
24: ...s, whereas families are much "tighter" and result from the catastrophic break-up of a large parent ast... - Venus (planet) (31010 bytes)
1: '''Venus''', the second [[planet]] from the [[Sun]], is named after the [[Roman mytholo...
3: ..., it always appears in roughly the same direction from Earth as the Sun (the greatest [[elongation]] i...
7: ...me astronomers use ''[[Cytherean]]'', which comes from [[Cythera]]. Other less common adjectives incl...
14: ...]'s, even though Venus is nearly twice as distant from the Sun and only receives 25% of the solar irra...
16: ...k into space. This prevents most of the sunlight from ever heating the surface. Venus's [[Bolometer|... - Meditation (26064 bytes)
7: From the point of view of [[psychology]], meditation...
20: ...ces. It may serve simply as a means of relaxation from a busy daily routine, or even as a means of gai...
32: ...rgy and spirits that can protect the practitioner from misfortune.
41: ... loss. This in turn can gradually free one's mind from the attachment to the impermanent that is the r...
53: ...icult one of struggle and [[temptation]]. [[Saint Francis]] would also retreat to the wilderness in is... - Lightning (33113 bytes)
10: ...shared some similarity with lightning. [[Benjamin Franklin]] endeavored to test this theory by using a...
12: ... to a post with a [[silk]] thread. As time passed Franklin noticed the loose fibers on the string stre...
14: ... had conducted similar experiments in [[France]], Franklin had suggested the original high-object-with...
16: ...clothes singed, the engraver knocked out, the doorframe of the room split, and the door itself torn of...
18: Franklin also invented the [[lightning rod]], likely... - Nutrition (42689 bytes)
4: Between the extremes of optimal health and death from [[starvation]] or [[malnutrition]], there is an...
10: ...hough the digestive process helps to release them from the matrix of the foods where they occur. Any u...
16: ...re hormonally and metabolically favourable than infrequent, haphazard food intake.
20: ... Early diets were primarily [[vegetarian]] with infrequent game meats and fish where available.
27: ...ard reluctantly agreed to a trial. Daniel and his friends received their diet for 10 days and were the... - Hubble Space Telescope (50930 bytes)
4: ...text-align:center;" | The Hubble Space Telescope, from the [[Space Shuttle Discovery]] during the seco...
8: ...avelength regime'''||optical, ultraviolet, near-infrared
45: ...h, it was found that the main [[mirror]] suffered from [[spherical aberration]], severely compromising...
54: ...be that a space-based telescope could observe [[infrared]] and [[ultraviolet]] light, which are strong...
58: ...observations of [[star]]s and [[galaxy|galaxies]] from its launch in 1968 until 1972, well beyond its ...
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