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- Scientific revolution (17675 bytes)
3: ... [[natural philosophy|natural philosopher]]. Not only were there major theoretical and experimental de...
9: ... and historically sudden changes in science, not only in its content but in its practice and theory. S...
31: ...ening period. Margolis reports that the most commonly suggested candidate for filling the gap is [[Alh...
40: ...contemporaries preposterous. It contradicted not only the virtually unquestioned Aristotelian [[philos...
42: ...system to calculate the movement of the planets, only a handful actually accepted it as true theory. I... - Volcano (27295 bytes)
47: ...nct volcanoes are those that scientists consider unlikely to erupt again. Whether a volcano is truly e...
98: The [[Cassini-Huygens]] mission has found evidence of a methane-spewing...
109: ...noes. For example, [[Mount St. Helens]] is found inland from the margin between the oceanic [[Juan de ...
126: ...face expression. The large majority of these are only known about at surface because of earthquakes as... - Netherlands (35958 bytes)
10: image_coat = Nl-arms.gif |
25: ...://www.cbs.nl/nl/cijfers/bevolkingsteller/popclocknl.asp] |
47: cctld= [[.nl]] |
70: ... directly administrated by the Dutch government. Only then did they become official colonies (the [[Du...
72: ...Germany]] in May [[1940]], to be fully liberated only on [[May 5th]],[[1945]]. From [[1941]] until [[1... - Timeline of invention (28171 bytes)
110: * [[1510]]: [[Pocket watch]]: [[Peter Henlein]]
124: * [[1657]]: [[Pendulum clock]]: [[Christiaan Huygens]]
311: ...ormer]]: [[William Stanley (physicist)|William Stanley]]
321: ... [[1888]]: [[Pneumatic tube tire]]: [[John Boyd Dunlop]]
394: * [[1914]]: [[Tank]], military: [[Ernest Dunlop Swinton]] - Comet (30542 bytes)
11: ...ugh the inner solar system, the dust reflecting sunlight directly and the gases glowing due to [[ion|i...
15: ...vered that [[Comet Borrelly]]'s surface reflects only 2.4% to 3% of the light that falls on it; by com...
17: ...-rays and far ultraviolet photons [http://www.kvi.nl/~bodewits].
29: ... their discoverers, but comets that had appeared only once continued to be referred by the year of the...
35: ...lost, and A/ indicating an object that was mistakenly identified as a comet, but is actually a [[minor... - History of science (41710 bytes)
40: .... Initially these universities were organized to only teach [[theology]], but people like [[Roger Baco...
65: ...ng this time by [[Galileo Galilei]], [[Christiaan Huygens]], [[Johannes Kepler]], and [[Blaise Pascal]]. In...
78: ...sults by introducing discrete energy levels. Not only did [[quantum mechanics]] show that the laws of ...
91: ...ls provided a ready supply of products which not only provided energy, but also synthetic materials fo...
117: ...reciated by his contemporaries and came into use only with discoveries of British surgeon [[Joseph Lis... - Robert Hooke (5017 bytes)
12: ...vented the [[balance spring]] before [[Christiaan Huygens]]. Devices known as escapements regulate the rate... - Galileo Galilei (33761 bytes)
24: ...geocentric model]] of [[Ptolemy]] predicted that only crescent and new phases would be seen, since Ven...
39: ...esis that objects "naturally" slow down and stop unless a force acts upon them. This principle was inc...
41: ...ieved this equality of period to be exact, it is only an approximation appropriate to small amplitudes...
43: ...time greater than when he and the assistant were only a few yards apart. While he could reach no concl...
53: ...d's Elements]]. This theory had become available only a century before, thanks to accurate translation... - Microscope (8708 bytes)
3: ...or more [[Lens (optics)|lenses]] that produce an enlarged image of an object placed in the focal plane...
8: ... with multiple lenses, is a microscope that uses only one lens for magnification. [[Anton van Leeuwenh...
34: ...to examine a smear, a squash preparation, or a thinly sectioned slice of some material. With a few exc...
54: ... huge step forward in microscope development. The Huygens ocular is still being produced to this day, but s...
56: ...uwenhoek is, contrary to widespread claims, certainly not the inventor of the microscope. - Venus (planet) (31010 bytes)
3: ...uring the daytime, making it one of only two heavenly bodies that can be seen both day and night (the ...
7: The adjective ''Venusian'' is commonly used for Venus, but it is etymologically incorre...
14: ...nds in the upper atmosphere circle the planet in only 4 days, helping to distribute the heat.
16: ...ght back into space. This prevents most of the sunlight from ever heating the surface. Venus's [[Bol...
18: ... of force against obstructions. The clouds are mainly composed of [[sulfur dioxide]] and [[sulfuric ac... - Jupiter (24639 bytes)
145: ... its composition can, as adding extra mass would only result in further gravitational compression (unt...
185: The only spacecraft to have descended into Jupiter's atmo...
222: ...ight|Jupiter as seen by the space probe [[Cassini-Huygens|Cassini]]. This is the most detailed global color...
223: So far the only spacecraft to orbit Jupiter is the ''[[Galileo s...
229: In [[2000]], the ''[[Cassini-Huygens|Cassini]]'' probe, ''en route'' to [[Saturn (plan... - Saturn (planet) (23300 bytes)
137: ...lanet)|Jupiter]]. Saturn has large rings made mainly out of ice and space debris. It was named after...
140: ...ith an average specific density of 0.69. This is only an average value, however; Saturn's upper atmosp...
144: ...t Saturn has a warm polar [[vortex]], and is the only planet in the solar system known to do so.
149: ...e approaching Saturn in [[2004]], the ''[[Cassini-Huygens|Cassini]]'' spacecraft found that the radio rotat...
159: ...ngs was not solved until [[1655]] by [[Christiaan Huygens]], using a telescope much more powerful than the ... - Clock (10086 bytes)
43: ...anical timekeeper had been developed that lacked only an [[escapement]] mechanism. There is a record t...
47: ...[Nuremberg]] and [[Augsburg]]. These clocks have only one hand. The dial between the hour markers is d...
51: ...ed the [[anchor escapement]], an improvement over Huygens' [[crown escapement]]. Within just one generation...
130: ...r, Joella Gerstmeyer. Unrolling Time: Christiaan Huygens and the mathematization of nature. New York: Camb... - Lightning (33113 bytes)
35: ...m several different objects simultaneously, with only one connecting with the leader and forming the d...
65: ... One special type of intracloud lightning is commonly called an anvil crawler. Discharges of electric...
71: ... which is nothing more than a leader stroke with only one return stroke.
93: ...s date back to at least [[1886]]. However, it is only in recent years that fuller investigations have ...
121: ...JATP_title.html]. However, recently the [[Cassini-Huygens]] mission flyby of Venus detected no signs of lig... - Ocean (6829 bytes)
6: ...only in [[2000]], and is unique in being defined only by a line of [[latitude]] with no landmass bound...
8: ...ography|Oceanographers]], however, may recognize only four oceans, treating the Arctic Ocean (or ''the...
24: ...se of boats dates back to prehistoric times, but only in modern times has extensive underwater travel ...
32: ...on to coastal regions, where they may be carried inland by winds. The [[Antarctic Circumpolar Current]...
51: ...iquid water on its surface, and is certainly the only such in our own [[solar system]]. However, liqui... - List of mathematicians (37424 bytes)
17: *[[Lars Ahlfors|Lars Valerian Ahlfors]] (Finland, [[1907]] - [[1996]])
352: *[[Christiaan Huygens]] (Netherlands, [[1629]] - [[1695]])
443: *[[Ernst Leonard Lindel? (Finland, [[1870]] - [[1946]])
528: *[[Rolf Nevanlinna]] (Finland, [[1895]] - [[1980]])
555: *[[Paul Painlev靝 (France, [[1863]] - [[1933]]) - List of astronomers (40322 bytes)
290: *[[Christiaan Huygens]] ([[Netherlands]], [[1629]] – [[1695]])
437: *[[Liisi Oterma]] ([[Finland]], [[1915]] – [[2001]])
465: *[[John Stanley Plaskett]] ([[Canada]], [[1865]] – [[1941...
523: *[[Frederick Hanley Seares]] ([[United States|USA]], [[1873]] &ndas...
598: *[[Yrj?is䬤]] ([[Finland]], [[1891]] – [[1971]]) - List of philosophers (79981 bytes)
214: *[[Anicius Manlius Severinus Bo봨ius]], (AD 480-524 or 525){{fn|...
313: *[[Stanley Cavell]], (born 1926){{fn|C}}{{fn|O}}{{fn|R}}
806: *[[Christiaan Huygens]], (1629-1695){{fn|C}}
859: *[[William Stanley Jevons]], (1835-1882){{fn|C}}{{fn|O}}
1061: *[[Philipp Mainl䮤er]] - Argon (6952 bytes)
63: ...ppm]] Ar-36. In [[2005]], the ''[[Cassini-Huygens|Huygens]]'' probe also discoverd the presence of Ar-40 on...
74: *[http://periodic.lanl.gov/elements/18.html Los Alamos National Laborato... - Anton van Leeuwenhoek (4111 bytes)
7: ...efully noted his observations. Unfortunately, he only spoke [[Dutch language|Dutch]] while the scienti...
18: * [http://www.euronet.nl/users/warnar/leeuwenhoek.html Warnar Moll's websi...
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