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  1. Industrial Revolution (30001 bytes)
    3: The dating of the Industrial Revolution is not exact, bu...
    10: ... institutional changes wrought by the end of [[feudalism]] in [[Great Britain]] after the [[English Ci...
    22: ...able as there was privilege and monopoly. The abundant supply of coal and iron ore made the making of ...
    24: ...ortant factor for the Industrial Revolution. Crop rotation and Enclosure Movement increased the amount of fo...
    30: ...udy tour, gathering information where he could. Today this is called [[industrial espionage]], with mo...
  2. Ear (6659 bytes)
    23: ... of the [[Eustachian tube]]s - evolutionary descendants of the [[gills]] - which connect the middle ea...
    35: ...tation could be represented as three simultaneous rotations about the three axes.
  3. Vertebra (3942 bytes)
    12: ...rt – the ''vertebral'' or ''neural'' arch – which encloses the '''vertebral foramen'''.
    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...
  4. Arm (7276 bytes)
    1: ...atomy]], the '''arm''' is the upper limb of a bipedal mammal, specifically the segment between the [[s...
    5: In primates the arms are richly adapted for both climbing and for more skilled, manip...
    29: ...dio-ulnar joint, which is responsible for forearm rotation. The ulnohumeral, radiocapitellar and proximal ra...
    34: ...[[antecubital fossa]] or triangle. Its outer boundary is the brachio-radialis, its inner the [[pronat...
    36: ...lexion as well as [[supination]] (outward forearm rotation). [[Pronation]] is caused by flexion of the [[pro...
  5. Tooth (14790 bytes)
    9: '''Teeth'''—singular '''tooth'''—are hard structures found in the [[jaw]]s of ma...
    61: ...treptococcus mutans]]''. Left unchecked for a few days plaque will harden, especially near the gums, f...
    65: ... the intake of foods (two to three hours) and the damage is limited the teeth can repair themselves.
    75: ...namel which is less susceptible to decay. [[Fluoridation]] of drinking water remains a controversial i...
    81: Most foods endanger teeth to some extent. By far the best protect...
  6. Legume (2428 bytes)
    10: ...s, and means that legumes can be used in a [[crop rotation]] to replenish soil that has been depleted of [[n...
  7. Earth (30908 bytes)
    21: ...n by mass [http://earthref.org/cgi-bin/er.cgi?s=erda.cgi?n=547] is:
    70: ...ore, combined with stirring caused by the Earth's rotation (see: [[Coriolis force]]s), gives rise to the [[E...
    86: ...[aluminium]] silicate rocks. The crust-mantle boundary occurs as two physically different events. Firs...
    120: ...utes and 4.091 seconds ([[sidereal day|1 sidereal day]]) to rotate around the axis connecting the [[no...
    122: ...ith respect to the stars at a rate of ca. 1 °/day, i.e. a Sun or Moon diameter every 12 hours east...
  8. Babe Ruth (55357 bytes)
    2: ...eorge Herman Ruth''', ([[February 6]], [[1895]] – [[August 16]], [[1948]]), better known as '''B...
    6: ==Early days==
    12: ...sition because he was involved in every play. One day, as his team was getting pounded, Babe started m...
    14: ...s club, and took him to spring training in [[Florida]], where a strong performance with bat and ball s...
    15: ...ue Orioles, and the competition hit Orioles' attendance significantly. To make ends meet, Dunn was ob...
  9. Anaxagoras (6622 bytes)
    2: '''Anaxagoras''' (c. [[500 BC]]–[[428 BC]]), a [[Greece|Greek]] [[philosopher]]...
    12: ...ature and his superiority to ordinary weaknesses—traits which legend has embalmed.
    15: ...of stone torn from the earth and ignited by rapid rotation.
    50: ...ss in snow; how otherwise could it be turned into dark water?
    57: ...ssed from him to Aristotle, to whom it seemed the dawn of sober thought after a night of disordered dr...
  10. Sun (20830 bytes)
    8: ...ffc0" colspan="2" align="center" | '''Observation data'''
    73: ...olor="#ffffc0" colspan="2" align="center" | '''[[Rotation]] characteristics'''
    84: ! align="left" | [[Solar rotation|Rotation period]]<br>at equator
    85: | 25.3800 [[day]]s <br>(25 d 9 h 7 min 12?8 s) [http://www.hnsky...
    87: ! align="left" | Rotation velocity<br>at equator
  11. Geometry (3634 bytes)
    3: ...uitively, people characterize space by certain fundamental qualities, which are termed [[axiom]]s in g...
    5: ...us to construct new geometries other than the standard Euclidean version.
    7: ...hey are related by a series of [[reflection]]s, [[rotation]]s, and [[translation (geometry)|translation]]s.
  12. Writing system (16928 bytes)
    23: ...rm (script)|cuneiform]]. [[Egyptian hieroglyphs]] date to approximately the same time. Other early wri...
    33: <tr><td>Abugida</td><td>consonant+vowel, vowel</td><td>Devanagari...
    45: ...n western logograms are the [[Arabic numerals]] &mdash; everyone who uses those symbols understands wh...
    47: ...nese characters are often [[semantics|semantic]]&ndash;[[phonetic]] compounds, symbols which include a...
    56: ...e their common "k"-ness. Compare [[#Abugidas|abugida]], where each [[grapheme]] typically represents a...
  13. Meteorology (19082 bytes)
    10: ...rology'' goes back to the book ''Meteorologica'' (dating from about [[340 BC]]) by [[Aristotle]], who ...
    14: ... the first Americans to forecast the weather on a daily basis.
    16: .... Understanding the kinematics of how exactly the rotation of the Earth affects airflow was partial at first...
    20: ...teorology)|front]]s, that is, sharply defined boundaries between air masses.
    40: ...a sufficient amount of [[Metadata (computing)|metadata]] attached and can then be conveniently retriev...
  14. Anemometer (11426 bytes)
    7: ...of a wind vane; on the other hand it is not well adapted to leaving a record on paper of the actual ve...
    9: ...s vertical, but with this subdivision the axis of rotation must be parallel to the direction of the wind and...
    13: ...d while the ordinary pressure plate is admirably adapted for measuring the force of a steady and unifo...
    29: ... turbine (windmill) can be logged together in a [[data logger]].
  15. Mercury (planet) (22924 bytes)
    1: ...riner 10]] ([[1974]]&ndash;[[1975|75]]); only 40&ndash;45% of the planet has been mapped.
    8: (This Data comes from [http://www.answers.com/topic/mercur...
    10: ...ure]] of Mercury is 452 K, but it ranges from 90&ndash;700 K; by comparison, the temperature on Earth ...
    12: Surprisingly, radar observations taken in 1992 indicated that there ...
    16: ...rrain. In addition, Mercury has "significant" [[tidal bulge]]s, raised by the [[Sun]] (the Sun's tides...
  16. Civilization (29205 bytes)
    11: Civilization can also mean the standard of behavior, similar to [[etiquette]]. "Civiliz...
    17: ...echniques, such as the use of human power, [[crop rotation]], and [[irrigation]]. This enables farmers to pr...
    28: ...lex institutions associated with civilizations. Today, many tribal societies live inside states and un...
    34: ...uced the earliest known [[pottery]] in the world, dating to the [[11th millennium BC]]. More stable li...
    37: ...in the southwestern corner of Egypt, near the [[Sudan]] border, before [[8000 BC]]. Climate changes an...
  17. Agriculture (19147 bytes)
    13: ...for the ''study'' of the practice of agriculture&mdash;more formally known as [[agricultural science]]...
    32: ...an farmer to produce food for 2.5 people, where today, due to engineering technology (also, [[plant br...
    46: ...on a significant scale. There are many sites that date to between ca. 8,500 BC and 7,500 BC where the ...
    54: The invention of a [[three field system]] of crop rotation during in the [[Middle Ages]] vastly improved ag...
    85: ...ion causes the plant to produce a toxin to reduce damage from insects (c.f. [[Starlink]]).
  18. Tornado (14220 bytes)
    8: ...the tail end of [[mesocyclone]]s. On [[weather radar]] screens, a characteristic "[[hook echo]]" mark...
    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...
    14: Tornado damage to man-made structures is the result of high ...
    21: ...http://www.usatoday.com/weather/wspouts.htm USA Today article on waterspouts]
  19. Tropical cyclone (34538 bytes)
    24: ...fic Ocean]] east of the [[International date line|dateline]], and the South Pacific Ocean east of 160&...
    25: ...hoon'' in the Northwest Pacific Ocean west of the dateline
    34: ...act, tropical storms can also produce significant damage and loss of life, mainly due to flooding.
    40: ...loud pattern. Extratropical cyclones still can be dangerous because their continuing low pressure caus...
    48: ...within this boundary if another source of initial rotation is provided. These conditions are extremely rare,...
  20. Season (10047 bytes)
    13: ...rotation on its axis), the [[North Pole]] will be dark, and the [[South Pole]] will be illuminated; se...
    28: ...y of temperature records over the past 300 years (David Thompson, ''SCIENCE'', April 1995) shows that ...
    30: ==Polar day and night==
    34: ...ly thought to last uninterrupted for 183 calendar days each. This is true only in the immediate region...
    36: ...wn glow on the horizon, for increasing hours each day, for more than a month before that first sliver ...

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