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  1. Locomotive (16705 bytes)
    5: ...ives haul their trains. Increasingly common these days in passenger service is [[push-pull]] operation...
    27: ...wo and a half times that of diesel power, and the daily mileage achievable was far lower. As labour co...
    29: ...e in [[China]], where [[coal]] is a much more abundant resource than [[petroleum]] for diesel fuel. In...
    32: ...mber of which survive and are still operational today.
    60: ...cal suppliers over German ones. In the US and Canada, they are now greatly outnumbered by diesel-elect...
  2. Scientific revolution (17675 bytes)
    1: ...ca]]'' in [[1687]] by [[Isaac Newton]]. These boundaries are not uncontroversial, with some claiming t...
    7: ...es may arise from lack of recognition of these fundamental differences.
    20: *Uniform acceleration of falling bodies (Galileo)
    31: ...ar to fill fourteen centuries, and the other candidates are few:
    36: ... extending to the early 17th century, are the raw data on which are built the theoretical studies of h...
  3. Germany (46412 bytes)
    15: ...| [[List of national anthems|National anthem]]: [[Das Lied der Deutschen]]<br>3rd stanza (''Einigkeit ...
    51: <sup>1</sup> [[Danish language|Danish]], [[Low German language|Low German]], [[Sorb...
    61: ...lector]]s of the [[Holy Roman Empire]]. From ''Bildatlas der Deutschen Geschichte'' by Dr Paul Kn? (18...
    66: ... the [[Holy Roman Empire of the German Nation]] &ndash; stemmed from a division of the [[Franks|Caroli...
    78: [[Image:Reichsgruendung2.jpg|thumb|250px|left|Foundation of modern Germany, Versailles, 1871. Bismarck...
  4. Comet (30542 bytes)
    9: ... tail, pointed in slightly different directions &mdash; dust being left behind in the comet's orbit (s...
    15: ...like [[tar]] or crude [[Petroleum|oil]]. The very darkness of cometary surfaces allows them to absorb ...
    29: ...0," the "Great September Comet of 1882," and the "Daylight Comet of 1910." After [[Edmund Halley]] de...
    31: ...0 comets and is conducting a contest to guess the date of its 1000th comet discovery.{{hnote|SOHO (200...
    45: ... things being very limited.{{hnote|Sagan, pp. 23&ndash;24}} However, the Aristotelean viewpoint proved...
  5. 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...
  6. Pioneer 11 (5118 bytes)
    7: ... of the [[heliosphere]]; [[neutral hydrogen]] abundance; distribution, size, mass, [[flux]], and veloc...
    9: ...by Pioneer 11 on [[September 1]], [[1979]], three days before its closest encounter. The [[moon]] [[Ti...
    11: ...ng generator power output. Science operations and daily [[telemetry]] ceased on [[September 30]], [[19...
    21: ...ift can be interpreted as being due to a constant acceleration of (8.74&nbsp;&plusmn;&nbsp;1.33)&nbsp;&times;&nb...
  7. Galileo Galilei (33761 bytes)
    2: ...Galilei''' ([[Pisa]], [[February 15]], [[1564]] &ndash; [[Arcetri]], [[January 8]], [[1642]]), was a [...
    12: ... ''[[Two New Sciences]]'' to determine the law of acceleration of falling bodies, for instance, required accurat...
    14: Later research, however, has validated the experiments. The experiments on falling bo...
    26: ...e little doubt that both of them were beaten by [[David Fabricius]] and his son [[Johannes Fabricius|J...
    37: ...ts (rolling is a slower version of falling) are [[acceleration|accelerated]] independently of their mass.
  8. History of the United States (1945-1964) (29139 bytes)
    15: There were fundamental contrasts between the visions of the [[Unit...
    17: ... the United States, which moved swiftly to consolidate its position.
    32: ...ense spending, and embark on an elaborate propaganda campaign to convince Americans to fight this cost...
    49: ...mmunist East. While the Berlin Wall was a propaganda setback, the Soviets garnered a huge victory when...
    59: ... [[October 16]], [[1962]] and lasted for thirteen days. It is regarded by many as the moment when the ...
  9. History of the United States (1980-1988) (35211 bytes)
    4: ..." the Southwest, Southeast, and especially [[Florida]] and [[California]] (surpassing [[New York]] as ...
    6: ...[United States Democratic Party|Democratic]] candidates in federal, state and local elections while th...
    18: ... inflation, derided as [[stagflation]], raised fundamental questions over the future of American prosp...
    20: ...]-[[1982]]), the Soviet Union improved living standards by doubling urban wages and raising rural wage...
    36: ...onvention. The party also renominated [[Walter Mondale]] for vice president.
  10. Jupiter (24639 bytes)
    74: | 23.12 [[Acceleration|m/s<sup>2</sup>]]<br>(2.358 [[gee]])
    175: ...ed by [[gas]]eous hydrogen. There is no clear boundary or surface between these different phases of hy...
    201: The data showed that the magnetic field [[fluctuates]] r...
    210: ...actly one year later. They provided important new data about Jupiter's magnetosphere, and took some lo...
    225: ...through 150&nbsp;km of the atmosphere, collecting data for 58 minutes, before being crushed by the ext...
  11. Saturn (planet) (23300 bytes)
    74: | 8.96 [[Acceleration|m/s<sup>2</sup>]]<br>(0.914 [[gee]])
    147: ...'' has a period of 10 h 14 min 00 s (844.3&deg;/[[day|d]]) and encompasses the Equatorial Zone, which ...
    165: ...rmed out of. This theory is not widely accepted today, since Saturn's rings are thought to be unstable...
    169: ===The dark side of the rings===
    175: ...1]], [[1979]]; Backlit rings, showing the overall darkness of the rings from this angle. The thickest...
  12. Uranus (15207 bytes)
    83: | 8.69 [[Acceleration|m/s<sup>2</sup>]]<br>(0.886 [[gee]])
    172: ...II's Neptune'' and ''Great-Britain's Neptune''. [[Daniel Bernoulli|Bernoulli]], from [[Berlin]], sugge...
    179: ... be seen with the naked eye as a faint star under dark sky conditions. It can be easily found with bin...
    205: ...as a faint [[planetary ring]] system, composed of dark particulate matter up to 10 metres in diameter....
    212: ...he five main satellites are [[Miranda (moon)|Miranda]], [[Ariel (moon)|Ariel]], [[Umbriel (moon)|Umbri...
  13. Neptune (planet) (18545 bytes)
    9: | [[Urbain Le Verrier]]<br> [[John Couch Adams]]<br> [[Johann Gottfried Galle|Johann Galle]]
    82: | 11.15 [[Acceleration|m/s<sup>2</sup>]]<br>(1.14 [[gee]])
    148: ...enomena. The [[Great Dark Spot]], an Earth-sized dark marking resembling the [[Great Red Spot]] of Ju...
    152: ...cause it had ''just'' turned retrograde that very day; because it was stationary in the sky and only b...
    154: ...rge Airy]], who asked Adams for a clarification; Adams began to draft a reply but never sent it.
  14. Pluto (planet) (26470 bytes)
    77: | 0.58 [[Acceleration|m/s<sup>2</sup>]]<br>(0.059 [[gee]])
    124: ...1930]]. The planet was later found on photographs dating back to [[March 19]], [[1915]]. Tombaugh was ...
    126: ...ules]]'', ''[[Icarus (mythology)|Icarus]]'', ''[[Idana]]'', ''[[Odin]]'', ''[[Pax (mythology)|Pax]]'',...
    128: ...anet in the [[Times]] newspaper. He asked his grandaughter what she thought would be good name for it....
    136: ...s diameter is now known since telescopes using [[adaptive optics]] can resolve its disk.
  15. Earthquake (13859 bytes)
    1: ...ere]] is divided. Events that occur at plate boundaries are called [[interplate earthquake]]s; the le...
    4: ..., but the majority of them are minor and cause no damage(those less than 5 on ritcher scale).
    5: ...king is the dominant and most widespread cause of damage.
    7: | [[Image:SanFranHouses06.JPG|thumb|200px|none|Damage from the [[1906 San Francisco earthquake]].]]
    11: ...ccur either before or after the principal quake &mdash; these are known as [[foreshock]]s or [[aftersh...
  16. Convection (4185 bytes)
    1: ...within the fluid or between the fluid and its boundary, or from the application of an external motive ...
    11: ...when it is exposed to multiple temperatures in an acceleration field such as [[gravity]] or a centrifuge. The l...
    23: :q" local heat flux (dq/dA)
    30: :q = &int;<sub>A<sub>s</sub></sub>q" dA<sub>s</sub>
    39: ...ad to a close inspection of the flow in the [[boundary layer]] of the fluid.
  17. Pressure (9004 bytes)
    1: ...he same finger pushing a [[thumbtack]] can easily damage the wall, even though the force applied is th...
    31: *''[[Gee|g]]'' is the acceleration due to gravity
    49: ...States]] air pressure is still measured in inHg &mdash; inches of [[mercury (element)|mercury]] (as in...
    51: ... When millimetres or inches of mercury are used today, they have precise definitions which can be expr...
    53: The [[standard atmosphere]] (atm) is an established constant. ...
  18. Cheetah (6461 bytes)
    5: {{Taxobox_phylum_entry | taxon = [[Chordate|Chordata]]}}
    8: {{Taxobox_familia_entry | taxon = [[Felidae]]}}
    12: ...Johann Christian Daniel von Schreber|Schreber]] | date = [[1775]]}}
    15: ...s an atypical member of the [[cat]] family ([[Felidae]]) that hunts by speed rather than by stealth or...
    20: ...isible and are used for grip during the cheetah's acceleration and maneuvering.
  19. Tsunami (29462 bytes)
    6: ...namis have been historically referred to as ''[[tidal wave]]s'' because as they approach land they tak...
    12: ...nts of the earth's crust can occur at [[plate boundaries]]. [[Subduction]] earthquakes are particularl...
    18: ...hich produced a water wave estimated at 50&nbsp;&ndash; 150&nbsp;m and reached 524&nbsp;m up local mou...
    22: ...n its path, often reducing buildings to their foundations and scouring exposed ground to the bedrock. ...
    24: ...h little overall energy loss. A tsunami can cause damage thousands of kilometres from its origin, so t...
  20. Badminton (12494 bytes)
    5: ...er the net so that it lands inside the marked boundaries of the court, and aim to prevent their oppone...
    22: '''Shoes:''' Because acceleration across the court is so important, players need ex...
    30: ...over the net onto the court within the marked boundaries before the opposing player or pair can hit it...
    59: ... should be hit to the centre line or the back boundary line.
    88: ..., Ireland, Scotland, Wales, Denmark, Holland, Canada, New Zealand and France as by founding members. I...

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