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- Industrial Revolution (30001 bytes)
1: ...ntury|18th]] and early [[19th century]] resulting from the replacement of an economy based on manual l...
3: ... merged into the [[Second Industrial Revolution]] from about [[1850]], when technological and economic...
7: ...erm industrial ''revolution'' was introduced by [[Friedrich Engels]] and [[Louis-Auguste Blanqui]] in ...
10: ...itain. The steam engine was created to pump water from coal mines, enabling them to be deepened]]effic...
12: ... occurred in Britain. In other nations, such as [[France]], markets were split up by local regions, wh... - Ear (6659 bytes)
10: ...nning to the [[middle ear]]. This tube amplifies frequencies in the range 3 [[Kilohertz|kHz]] to...
13: ... formed cleft from the side of the face and hangs from the rest of the ear, but occasionally will be f...
17: ...three ear bones. The incus and stapes are derived from bones of the jaw, and allow finer detection of ...
21: ...and middle ear gives humans a peak sensitivity to frequencies between 1 kHz and 3 kHz. The ...
28: ...um that receives the sound vibrations transmitted from the air to the oval window through the ear drum... - Vertebra (3942 bytes)
9: ...teristics which are best studied by examining one from the middle of the thoracic region.
12: ...consists of two essential parts: an ''anterior'' (front) segment, which is the '''vertebral body'''; a...
24: ...are the vertebrae that allow the [[neck]] so much rotation. Specifically, the atlas allows the [[skull]] to ...
29: ...#Terminology|articulate]] with the [[rib]]s. Some rotation can occur between the thoracic vertebrae, but the...
34: ...eral flexion (sidebending), and a small degree of rotation. The discs between these vertebrae create a [[lu... - Arm (7276 bytes)
15: ...of the pectoralis major runs downward and outward from the inner half of the [[clavicle]]. The clavicu...
21: ...e traced into its [[tendon]] of insertion, in the front of the elbow joint.
29: ...dio-ulnar joint, which is responsible for forearm rotation. The ulnohumeral, radiocapitellar and proximal ra...
33: ...ce of these two the median vein comes up from the front of the [[forearm]], while the two vertical lim...
34: ...the artery when workers were injured and bleeding from the median basilic vein. Beyond the middle of ... - Tooth (14790 bytes)
11: ...''mesial'' (toward the midline), ''distal'' (away from the midline), ''occlusal'' (the top surface), '...
42: ...ath the old one, pushing it out of the jaw. Apart from this another 8-12 teeth grow. This set can last...
70: [[Image:Dental x-ray.jpg|right|frame|[[X-ray]]s can reveal if a person has any cavi...
77: ...asons, and because it is thought mercury may seep from fillings into the circulation over time, a cera...
84: ...o increase the flow of saliva. Unsweetened (sugar free) [[chewing gum]] stimulates saliva production, ... - Legume (2428 bytes)
4: ...efer to either the plant itself, or to the edible fruit (or useful part). Thus, "legume" can be:
7: * the name of a type of [[fruit]], characteristic of legumous plants. To wit:
8: ...n]], and [[peanut]]s. A peanut is not a '''[[Nut (fruit)|nut]]''' in the botanical sense; a peanut is ...
10: ...s, and means that legumes can be used in a [[crop rotation]] to replenish soil that has been depleted of [[n...
14: - Earth (30908 bytes)
7: ...th''' or '''Terra''', is the third planet outward from the [[Sun]]. It is the largest of the [[solar s...
14: ...f approximately 12,742 km. The maximum deviations from this are the highest point on Earth (the summit...
55: ... is only 1/20,000 as great as the energy received from the Sun.
70: ...ore, combined with stirring caused by the Earth's rotation (see: [[Coriolis force]]s), gives rise to the [[E...
74: ...utaway-english.png|thumb|350px|left|Earth cutaway from core to exosphere. Partially to scale.]] - Babe Ruth (55357 bytes)
10: ...Babe Ruth, full-length portrait, standing, facing front, holding up bat, in baseball uniform, on field...
12: ...itcher. Brother Matthias promptly switched George from catcher to pitcher to teach him a lesson. But, ...
15: ...rs, placed a team in Baltimore, across the street from minor league Orioles, and the competition hit O...
18: ...th was a skillful pitcher, the Red Sox's starting rotation was already stacked with lefties, so they initial...
23: In [[1916]] he returned to the rotation, although the team's offense had been weakened by... - Anaxagoras (6622 bytes)
4: ...olitical influence, both of which he surrendered, from a fear that they would hinder his search after ...
9: ...and admire him and the poet [[Euripides]] derived from him an enthusiasm for science and humanity.
13: ...t philosophy and the spirit of scientific inquiry from [[Ionia]] to [[Athens]].
15: ...of stone torn from the earth and ignited by rapid rotation.
16: ... as a means of attacking him in the person of his friend. - 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
73: ...olor="#ffffc0" colspan="2" align="center" | '''[[Rotation]] characteristics'''
84: ! align="left" | [[Solar rotation|Rotation period]]<br>at equator - Geometry (3634 bytes)
1: '''Geometry''' (from the [[Greek language|Greek]] words ''Geo'' = ea...
3: From experience, or possibly intuitively, people cha...
7: ...hey are related by a series of [[reflection]]s, [[rotation]]s, and [[translation (geometry)|translation]]s.
21: ...http://agutie.homestead.com Geometry Step by Step from the Land of the Incas] by Antonio Gutierrez.
22: ...://www.cut-the-knot.org/geometry.shtml Geometry.] From Interactive Mathematics Miscellany and Puzzles - Writing system (16928 bytes)
4: Writing systems are distinguished from other possible symbolic communication systems i...
43: ...ent languages. However, they are different enough from Chinese that a Chinese text is not easily under...
49: ...gographic systems, although they have since faded from use.
67: ...en [[language]]. The word ''alphabet'' is derived from [[alpha (letter)|alpha]] and [[beta (letter)|be...
71: ...rrespond to phonemes of a language varies greatly from one language to another and even within a singl... - Meteorology (19082 bytes)
10: ...' goes back to the book ''Meteorologica'' (dating from about [[340 BC]]) by [[Aristotle]], who combine...
14: ...Franklin]]'s kite experiments with [[lightning]]. Franklin was also the first American to keep accurat...
16: .... Understanding the kinematics of how exactly the rotation of the Earth affects airflow was partial at first...
18: ...d]]. These were solved when [[Luke Howard]] and [[Francis Beaufort]] introduced their systems for clas...
20: ...]], introducing the idea of [[front (meteorology)|front]]s, that is, sharply defined boundaries betwee... - Anemometer (11426 bytes)
3: An '''anemometer''' (from Gr. ἄνεμος, wind...
7: ... some independent experiments, but it is very far from the truth, for it is now known that the actual ...
9: ...s vertical, but with this subdivision the axis of rotation must be parallel to the direction of the wind and...
17: ...quire a weathercock. A small light sphere hanging from the end of 30 or 40 ft (about 10 m) of fine sew...
21: ...t angles to its axis, the most trifling departure from the true direction causing great variations in ... - Mercury (planet) (22924 bytes)
1: ...st planet in the [[Solar System]]. Mercury ranges from −0.4 to 5.5 in [[apparent magnitude]]; Me...
8: (This Data comes from [http://www.answers.com/topic/mercury-in-roman-...
10: ...[temperature]] of Mercury is 452 K, but it ranges from 90–700 K; by comparison, the temperature ...
12: ...posited by [[comet]] impacts and/or gases arising from the planetary interior.
30: ===Rotation=== - Civilization (29205 bytes)
1: ...ings related to human [[society]]. The term comes from the [[Latin]] ''civis'', meaning "citizen" or "...
5: ...their food from [[agriculture]], as distinguished from [[band society|band]] and [[tribe|tribal]] soci...
15: ...vilization is a complex society, as distinguished from simpler societies. Everyone lives in a society...
17: ...echniques, such as the use of human power, [[crop rotation]], and [[irrigation]]. This enables farmers to pr...
31: ...namely [[Mehrgarh]] and [[Harappa]]) and [[West Africa]], where ancient peoples grouped together to f... - Agriculture (19147 bytes)
11: ...ere, which consists of obtaining financial income from the cultivation of land to yield [[produce]], t...
15: ...ol]], [[hemp]], and [[flax]]), fuels ([[methane]] from [[biomass]], [[biodiesel]]) and both legal and ...
25: ...ties also influenced by science. Methods of quick-freezing and dehydration have increased the markets ...
32: ... cost, however, of large amounts of energy input, from unsustainable, mostly [[fossil fuel]], sources.
46: ...tributed the major part of the inhabitants' diet. From the [[Fertile Crescent]] agriculture spread eas... - Tornado (14220 bytes)
3: ...nnel-shaped]] [[cloud]]. The word "tornado" comes from the [[Spanish language|Spanish]] or [[Portugues...
8: ...ly, though tornadoes over water ([[waterspout]]s) frequently are observed forming in the absence of co...
10: ...orm tornadoes when they reach the ground. Why the rotation can intensify and form tornadoes is not understoo...
12: ...e storms rotate. In the northern hemisphere, this rotation is counterclockwise, and in the southern hemisphe...
32: ...dar]] wind speed data, or [[empirical]]ly derived from structural damage compared to engineering data.... - Tropical cyclone (34538 bytes)
1: ...s.jpg|thumb|right|325px|[[Hurricane Ivan]] viewed from the [[International Space Station]], [[Septembe...
6: ...tmospheric circulation]] system, which moves heat from the equatorial region toward the higher latitud...
9: ...ne is the release of the [[heat of condensation]] from water vapor condensing at high altitudes. Becau...
10: [[Image:Hurricane-viewed-from-space.jpg|thumb|400px]]
13: ...de cyclones for example, draw their energy mostly from pre-existing temperature gradients in the atmos... - Season (10047 bytes)
4: ... the season of the flood, the season of emergence from the flood, and the hot harvest season.
6: ...ited States]] has its [[Tornado]] season (peaking from late winter through mid summer, depending upon ...
13: ...gardless of the time of day (i.e. the [[Earth]]'s rotation on its axis), the [[North Pole]] will be dark, an...
22: ...Antarctica, and therefore a considerable distance from the moderating influence of the southern oceans...
36: ...mid-February is not first light. The sky (as seen from Alert) has been showing twilight, or at least a...
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