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- Steel (28384 bytes)
8: ...take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iron dissolves carbon q...
11: ... fairly soft metallic material that can dissolve only a small concentration of carbon (no more than 0....
21: ...osphorus]] make steel more brittle, so these commonly found elements must be removed from the ore duri...
28: ... the year [[1000]], the [[Thule]] people of [[Greenland]] began making [[harpoon]]s and other edged to...
46: ...lized cast iron, and quench-hardened steel, with only a few, probably ornamental, bronze weapons. - Turkmenistan (10788 bytes)
28: ...area|Ranked 51st]]<br/> 488,100 [[square kilometer|km²]]<br/> Negligible
66: ... a very short person, barely taller than 150 centimeters (5 feet).
88: ...t and the Kugitang Range in the far east are the only other appreciable elevations. Rivers include the... - Mummy (16225 bytes)
25: ...ere given the task to preserve the deceased. Not only did their job require knowledge of human anatomy...
31: ...ll incision on the left side of the [[abdomen]]. Only the [[heart]] was left in place. The organs whic...
57: ...[Japan]]''', see external link ''[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed...
58: ...onor for people who reached a highest level of [[enlightenment]].
67: ...he [[Eastern Han Dynasty]] (25-220 AD), was 1.8 [[meter]]s (nearly six feet) tall and might have died at ... - 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 ...
31: ...cedil;ade and the interior is the [[portico]]. Mainly designed by Maderno, it contains an [[18th centu...
33: ...ico Consorti]] ([[1950]]), which is by tradition only opened for great celebrations such as [[Jubilee ... - 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. ...
52: ...man [[treadwheel]] crane, which, moreover, could only reach a maximum height of 15 to 18 m, was clearl...
54: ...pace so that the capstan crews had proper access only from one side. - 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
113: *[[Robert Heinlein]], (1907-1988), waterbed - Pioneer 11 (5118 bytes)
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)
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 from ever heating the surface. Venus's [[Bolometer|bolometric]] [[albedo]] is approximately 60%, and...
18: ... of force against obstructions. The clouds are mainly composed of [[sulfur dioxide]] and [[sulfuric ac... - Sundial (16148 bytes)
7: The most commonly seen designs, such as the 'ordinary' or standard...
18: ...style or [[gnomon]] of a standard sundial is the only practical way to install a mass-produced garden ...
49: ...materials are a white marble face, with markings inlaid in black marble. Traditional styles are thick...
74: ...etal bars. Fancy sundials used to have faces of inlaid stone.
76: A problem is that vertical sundials only keep time for the part of the year in which the ... - Mammal (11782 bytes)
156: ...est of all animals. True [[flight]] has evolved only once in mammals, the [[bat]]s; mammals such as [...
181: ...s]] around 130 million years old, one more than a meter in length, the other having remains of a baby din...
191: ...als existed alongside the [[dinosaur]]s, mammals only began to dominate after the [[mass extinction]] ... - Lightning (33113 bytes)
35: ...m several different objects simultaneously, with only one connecting with the leader and forming the d...
44: ...times longer, and can strike several miles or kilometers distant from the clouds. During a positive ligh...
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 ... - Atmospheric pressure (6841 bytes)
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]].
24: ...metric altimeter setting which will cause the altimeter to read altitude above mean sea level in the vici...
26: ...ometric altimeter setting which will cause an altimeter to read height above a particular runway threshol...
41: ...since mercury is not a substance that humans commonly come in contact with, water often provides a mor... - Cambodia (32076 bytes)
49: ....e. "the great river") and the [[Tonle Sap Lake|Tonle Sap]] (i.e. "the fresh water river"), an importa...
83: ===Ancient states: Funan and Chenla===
85: ...s AD, the Indianized states of [[Funan]] and [[Chenla]] took hold in what is now present-day Cambodia ...
94: ...18) saw the rapid expansion of the Khmer Empire. Unlike his ancestors, who had concentrated upon the c...
138: ...ear terms. The [[judiciary]] is very weak, since only a handful of lawyers and judges were left alive,... - Bottlenose Dolphin (16802 bytes)
33: The species is commonly known for its friendly character and curiosity. ...
40: Their diet consists mainly of small fish, occasionally also [[squid]], [[cr...
52: ...almost exclusively shown by females. This is the only known case of tool use in marine mammals. An ela...
57: ...t and is inserted into the vagina. The act lasts only 10-30 seconds, but is repeated numerous times, w...
59: ...hich may be male). A single calf is born, about 1 meter (3 feet) long at birth. - Tsunami (29462 bytes)
4: ...hy they generally pass unnoticed at sea, forming only a passing "hump" in the ocean.
18: ...aking, tsunamis generated from these mechanisms, unlike the ocean-wide tsunamis caused by some earthqu...
21: ... a tsunami is better understood as a new and suddenly higher sea level, which manifests as a shelf or ...
22: ... ships and boulders can be carried several miles inland before the tsunami subsides.
24: ...nce as the wave travels, so the energy per linear meter in the wave decreases as the inverse power of the... - 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:
10: ...[Cultural Revolution]] on the [[Mainland China|mainland]]. [[Image:Forbidden City Imperial Guardian Li...
14: ...tween the gates in the east and west walls is 750 meters. The walls are thick and squat and were specific...
48: ...marks-Hotspots/Gugong-Palace_Museum/PalaceMuseum-OnlineSources1.html Links] - Palermo (10618 bytes)
25: ...ely from the "sacking of Palermo", as it was commonly called. New parts of town appeared almost out of...
42: The Cathedral has a [[heliometer]] (solar "observatory") of 1690, one of a number{...
47: ...degrees of preservation. Close to the city is 600 meter high Monte Pellegrino, with spectacular views of ...
66: *[http://www.palermonline.com.ar Palermo in Buenos Aires]
69: ... paper from University of Bologna describing Heliometers in Italian Cathedrals.] - 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: ...flecting telescope]] with a mirror 3 m in diameter, known provisionally as the Large Orbiting Telesc... - Alfalfa (6719 bytes)
18: ...nial flowering [[plant]], ''Medicago'', most commonly referring to ''M. sativa'' L., also called '''lu...
20: ... deep [[root]] system sometimes stretching to 4.5 meters. This makes it very resilient, especially to dro...
47: ...y into bales. There are three types of bales commonly used for alfalfa. Small "square" bales--actually...
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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