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- Steel (28384 bytes)
3: ...ich are naturally arranged in a [[lattice]], from sliding past one another. Varying the amount of carb...
21: ...on of cementite, allowing martensite to form with slower quench rates, resulting in ''high speed steel...
38: ... repeatedly beaten and folded to force the molten slag out of it. The result of this time-consuming a...
46: ...The artifacts recovered from this grave are variously made of wrought iron, cast iron, malleabilized c...
60: ...increasing the height of the flue to as tall as 5 meters (16 feet) and smelting as much as 350 kg (750 lb... - Turkmenistan (10788 bytes)
28: ...area|Ranked 51st]]<br/> 488,100 [[square kilometer|km²]]<br/> Negligible
54: ...bs conquered this region, bringing with them the Islamic religion and incorporating the Turkmen into M...
66: ... a very short person, barely taller than 150 centimeters (5 feet).
68: A slogan popular among Turkmens is "Halk! Watan! T?bas...
88: ...e]], along the southwestern border, reaches 2,912 meters. The Balkan Mountains in the far west and the Ku... - Mummy (16225 bytes)
67: ...he [[Eastern Han Dynasty]] (25-220 AD), was 1.8 [[meter]]s (nearly six feet) tall and might have died at ...
69: ...'s [[Silk Road]] in [[Xinjiang]], about 200 [[kilometers]] east of Yingpan. - St. Peter's Basilica (17805 bytes)
8: ...in this exact spot, which had previously been a cemetery for pagans as well as Christians.
17: ...]] and [[1667]], in the center of which is a 25.5 meter tall obelisk. The [[obelisk]] was moved to its pr...
22: ...) across. It is not simply its vast scale (136.57 meters from from the floor of the church to the top of ...
24: ...t the original dome, were a constant concern, too slender in Bramante's plan, they were redesigned sev...
33: ...ORIVS XIII PONT MAX</small>. In between are white slabs commemorating the most recent openings:<!-- Th... - Trajans Column (10003 bytes)
3: ...s, with a diameter of 3.7 meters (11 ft). The 190 meter (625 ft) frieze winds around the shaft 23 times. ...
11: ...herwise, the scenes on the frieze unfold continuously and in [[Perspective (graphical)|tipped-up persp...
17: ...ew over the surrounding Trajan's forum; 43 window slits illuminate his ascent.
19: ...oman units of measurement|Roman feet]]; beginning slightly above the bottom of the base, the helical s...
38: Translated, the inscription reads: - List of inventors (14020 bytes)
26: *[[Arnold O. Beckman]], (1900 - 2004), [[pH]] meter
36: ...;]], (1711-1787) — [[Croatia]], ring-[[micrometer]], water [[telescope]]
93: ...Galilei]], (1564-1642), [[Italy]] — [[thermometer]]
112: ...John Harrison]], (1693-1776) — marine chronometer
151: *[[Elijah McCoy]] — son of former slaves, patented many [[lubrication]] devices - Pioneer 11 (5118 bytes)
3: ...0]], used Jupiter's [[mass]] in a [[gravitational slingshot]] to alter its [[trajectory]] toward Satur...
5: ...]]. It is 2.9 meters long and has a 2.74-meter-diameter high-gain [[antenna (electronics)|antenna]], topp...
7: ...nfrared radiometer]], and an [[imaging photopolarimeter]], which produced [[photograph]]s and measured th... - Venus (planet) (31010 bytes)
14: ...ight and day sides of Venus despite its extremely slow rotation (less than one rotation per Venerean y...
16: ...ght from ever heating the surface. Venus's [[Bolometer|bolometric]] [[albedo]] is approximately 60%, and...
18: ...ty of the atmosphere at Venus' surface, even such slow winds exert a significant amount of force again...
23: Venus has slow [[retrograde motion|retrograde rotation]], mean...
25: ... no impact crater smaller than about 3.2 km in diameter can form. - Sundial (16148 bytes)
26: ...[equation of time]], because the Earth's orbit is slightly elliptical and its axis is tilted relative ...
89: ...to measure angles to geographic features. Large (meter-sized) diptychs may have been used for [[navigati...
95: ...g or evening. Usually, the hole was mounted in a sliding lockable piece of metal, which was adjusted ...
99: == Precision sundials (heliochronometers) ==
101: A precision sundial, called a '''heliochronometer''', - Mammal (11782 bytes)
48: *[[Sloth]]
181: ...s]] around 130 million years old, one more than a meter in length, the other having remains of a baby din... - Lightning (33113 bytes)
35: ...ent out from several different objects simultaneously, with only one connecting with the leader and fo...
44: ...times longer, and can strike several miles or kilometers distant from the clouds. During a positive ligh...
71: ...The winds will blow each successive return stroke slightly to one side of the previous return stoke, c...
87: ...s during thunderstorms. They can be fast-moving, slow-moving or nearly stationary. Some make hissing ...
89: ...ing carbon-containing materials atop sparking [[Tesla Coil]]s. - Atmospheric pressure (6841 bytes)
13: ...ure. However, this standard atmosphere is defined slightly differently: temperature = 68?F (20?C), air...
15: ==Mean sea level pressure (MSLP or SLP)==
16: ...eadings (called "station pressure") to obtain the SLP.
18: ...ts on radio, television, and newspapers. When barometers in the home are set to match the local weather r...
22: ...making this reduction differs slightly. See [[altimeter]]. - Cambodia (32076 bytes)
57: ...d. Due to its use by the [[Khmer Rouge]], the transliteration Kampuchea is now eschewed in western lan...
122: ...h branch of the family were massacred. The [[Tuol Sleng]] museum is a good authority on this period.
134: ...nglish]] ''virile''. ''Preahm⨡viraksat'' is translated in English as "King-Father" ([[French languag...
138: The [[legislature]] comprises a 61-member appointed [[Senate]]...
148: ...munion (khum), Great districts (khett), and also Islands (kaoh). - Bottlenose Dolphin (16802 bytes)
21: ...50 to 650kg (330 to 1430 pounds) with males being slightly longer and considerably heavier than female...
29: ...that the two halves of their brains take turns in sleeping and waking.
35: ...ns, during the mating season, compete very vigorously with each other through showing toughness and si...
55: ... one for the [[anus]]. The female has one genital slit, housing the [[vagina]] and the anus.
57: ...ange belly to belly, the penis extends out of its slit and is inserted into the vagina. The act lasts ... - Tsunami (29462 bytes)
2: ...placed on a massive scale. [[Earthquake]]s, [[landslide]]s, [[volcanic eruption]]s and large [[meteor...
6: ...ctually related to tides the term is considered misleading and its usage is discouraged by [[oceanogra...
10: ...e a tsunami by itself may trigger an undersea landslide quite capable of generating a tsunami.
12: ...g tsunamis, and occur where denser oceanic plates slip under continental plates in a process known as ...
14: ...ying water column as sediment and rocks slide downslope and are redistributed across the sea floor. Si... - Long-distance track event (2855 bytes)
5: ===3,000 meter steeplechase===
7: ...rength, stamina and agility than the flat [[3,000 meter]] event. The world record for men is:
15: ===5,000 meters===
17: ...ch an event may comprise of a total of 60-200 kilometers a week. The world record for men:
25: ===10,000 meters=== - Forbidden City (7592 bytes)
3:
14: ...tween the gates in the east and west walls is 750 meters. The walls are thick and squat and were specific... - Palermo (10618 bytes)
10: ...mosque]]s. The city was renowned throughout the Muslim world. It was a period of prosperity and tolera...
12: ...Palermo on [[January 10]] [[1072]] and the whole island by [[1091]]. The policy of tolerance continued...
42: The Cathedral has a [[heliometer]] (solar "observatory") of 1690, one of a number{...
45: ...The "solar clock" can be up to 16 minutes fast or slow. The reason for this is explained fully in Main...
47: ...degrees of preservation. Close to the city is 600 meter high Monte Pellegrino, with spectacular views of ... - Hubble Space Telescope (50930 bytes)
26: |'''Diameter'''||2.4 m
34: |'''[[NICMOS]]'''||camera/spectrometer
40: |'''[[STIS]]'''||spectrometer/camera (failed)
54: ...or a telescope with a [[mirror]] 2.5 m in diameter. The second major advantage would be that a spac...
60: ...Telescope or Large Space Telescope, with a launch slated for 1979. These plans emphasised the need fo... - Alfalfa (6719 bytes)
20: ... deep [[root]] system sometimes stretching to 4.5 meters. This makes it very resilient, especially to dro...
49: ...typically 4.5 to 6 feet (1.4 to 1.8 meters) in diameter and weighing upwards of 1,000 pounds. These bales...
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