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- Vocal cords (1030 bytes)
1: ...rate]], modulating the flow of air being expelled from the lungs during [[phonation]].
5: ...z|Hz]], adult females around 210, in children the frequency is over 300 Hz. - 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, ... - Musical instrument (3823 bytes)
7: ...lumn of air is made to vibrate inside them. The [[frequency]] of the wave generated is related to the ...
11: ...string is plucked, strummed, slapped, etc. The [[frequency]] of the wave generated (and therefore the...
13: ...cal cord]]s into [[oscillation]]. The fundamental frequency is controlled by the tension of the vocal ... - Australia (39438 bytes)
28: established_dates=From the [[United Kingdom|UK]]:<br>[[1 January]] [[1...
44: ...notes=<sup>1</sup>There are some minor variations from these three timezones, see [[Australian States ...
50: ...island]], [[Boigu Island]], is about 5 kilometres from Papua New Guinea. This has led to a complicated...
54: The name Australia derives from the [[Latin]] ''australis'', meaning ''southern...
55: ...w of [[Port Jackson]], taken from the South Head, from ''A Voyage to Terra Australis''. [[Sydney]] was... - 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...
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...
26: ...sable tool for studying a wide range of phenomena from forest fires to [[El Ni. - List of musical instruments (9508 bytes)
8: ...lumn of air is made to vibrate inside them. The [[frequency]] of the wave generated is related to the ...
12: ...string is plucked, strummed, slapped, etc. The [[frequency]] of the wave generated (and therefore the...
14: ...cal cord]]s into [[oscillation]]. The fundamental frequency is controlled by the tension of the vocal ...
75: (not necessarily made from brass)
90: * [[French horn]] - Ionosphere (19365 bytes)
1: ...practical importance because it influences [[high-frequency]] (HF) (3–30[[MHz]]) [[radio propaga...
6: ...d to as the ionosphere. In a plasma, the negative free electrons and the positive ions are attracted t...
8: ...[[recombination]] begins to take place in which a free electron is "captured" by a positive ion if it ...
10: ...t. The local winter [[hemisphere]] is tipped away from the Sun, thus there is less received solar radi...
14: ... e profile.gif|right|thumb|350px|Electron density from solar ionization during the day and night durin... - Ice age (15810 bytes)
2: ...umb|right|Variations in CO2, temperature and dust from the [[Vostok, Antarctica|Vostok]] ice core over...
6: ...acial periods, occurring at 40–100,000 year frequencies. These are the best studied. There have ...
16: ...illion years ago. There was an extensive ice age from 350 to 260 million years ago.
31: ...believe that anthropogenic (i.e. manmade) forcing from increased "[[greenhouse gas]]es" would outweigh...
35: ...actors: atmospheric composition (particularly the fraction of [[carbon dioxide|CO<sub>2</sub>]] and [[... - Guitar (36953 bytes)
2: ...es [[steel]] strings and more guide dots on the [[fretboard]].]]
6: ... '''neck'''. Typically, a '''headstock''' extends from the neck for tuning.
16: ..., is a combination of two words. "''Guit''" comes from the Sanskrit word ''"Sangeeta"'' meaning "music...
17: ...n in Origin, and so are the ancestral instruments from which the Westernized guitar derrived. The word...
18: ...n of the sitar. One theory states that it evolved from a purely Indian instrument called the ''Chitra ... - Global warming (53726 bytes)
5: .../wg1/339.htm]]). Much of this uncertainty results from not knowing future CO<sub>2</sub> emissions, bu...
16: ...es including [[Brazil]], [[Canada]], [[China]], [[France]], [[Germany]], [[India]], [[Italy]], [[Japan...
38: ...ly and historically, making the conclusions drawn from the data subject to disagreement. [http://www.g...
48: ...s in response to variations in "external forcing" from both human and non-human causes, including chan...
54: ...ureate]] [[Svante Arrhenius]] used the measured infrared absorption of carbon dioxide to calculate tha... - Nikola Tesla (29894 bytes)
10: ... [[Smiljan]], [[Gospic|Gospić]], [[Military Frontier]], [[Habsburg Monarchy]] (now [[Croatia]])
18: ...d a means to provide [[humanity]] the means for [[Free energy (disambiguation)|unlimited energy]]. He ...
20: ...eas and concepts are just only recently coming to fruition. His legacy can been seen across [[Modern w...
27: * [[induction motor]] and high frequency alternator
28: ...eans for increasing the intensity of electrical [[oscillation]]s - Voltaire (48640 bytes)
3: [[Image:Voltaire.jpg|frame|Voltaire]]
4: ...y the [[pen name]] '''Voltaire''', was a [[France|French]] [[The Age of Enlightenment|Enlightenment]] ...
8: ...his life, Voltaire sometimes implied that he came from a [[noble]] background.
10: ...nism|Jansenist]] and had a poor relationship with François.
12: ...Abbé de [[Châteauneuf]], a friend of François' mother, instructed him in ''les bel... - Hipparchus (astronomer) (50785 bytes)
4: ...e accumulated over centuries by the [[Chaldeans]] from [[Babylonia]]. He was also the first to compil...
8: ...om [[Strabo]]'s ''Geographia'' ("Geography"), and from [[Pliny the Elder]]'s ''[[Pliny's Natural Histo...
14: ...st observations. Hipparchus obtained information from [[Alexandria]] as well as [[Babylon]], but it i...
18: ...tes observations to him from Rhodes in the period from [[141 BC]] to [[127 BC]].
20: ...mentioned about 14 books, but which is only known from references by later authors. His famous star c... - Hipparchus (50784 bytes)
3: ...e accumulated over centuries by the [[Chaldeans]] from [[Babylonia]]. He was also the first to compil...
7: ...om [[Strabo]]'s ''Geographia'' ("Geography"), and from [[Pliny the Elder]]'s ''[[Pliny's Natural Histo...
13: ...st observations. Hipparchus obtained information from [[Alexandria]] as well as [[Babylon]], but it i...
17: ...tes observations to him from Rhodes in the period from [[141 BC]] to [[127 BC]].
19: ...mentioned about 14 books, but which is only known from references by later authors. His famous star c... - Ice Age (15809 bytes)
1: ...umb|right|Variations in CO2, temperature and dust from the [[Vostok, Antarctica|Vostok]] ice core over...
5: ...acial periods, occurring at 40–100,000 year frequencies. These are the best studied. There have ...
15: ...illion years ago. There was an extensive ice age from 350 to 260 million years ago.
30: ...believe that anthropogenic (i.e. manmade) forcing from increased "[[greenhouse gas]]es" would outweigh...
34: ...actors: atmospheric composition (particularly the fraction of [[carbon dioxide|CO<sub>2</sub>]] and [[... - Bicycle (44267 bytes)
3: ...cle]]'' features oversized tires, a sturdy frame, front shock absorbers, and handlebars oriented perpe...
5: ...[land vehicle]] with two [[wheel]]s attached to a frame, one behind the other. First introduced in [[1...
13: ...up by [[Louis Baudry de Saunier]], a 19th century French bicycle historian.
15: ... rode his [[1816]] machine while collecting taxes from his tenants. He patented his ''draisine'', a nu...
17: ... could push more firmly, and further enlarged the front wheel to increase the potential for speed. Sho... - Motorcycle (40437 bytes)
7: ... of "footpegs" or "pegs" which stick out from the frame.
23: The chassis of a motorcycle is typically made from welded [[aluminium]] or [[steel]] struts, with ...
27: ...some British motorcycles designs used part of the frame as an oil reservoir. The wheel rims are usuall...
29: ...becomes a major source of drag and is pushed back from the handlebars, tiring the rider.
31: ...0pix.jpg|thumb|200px|A British'' ''motorcycle'' ''from 1966, the 250 cc Ariel Leader]]
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