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- Steel (28384 bytes)
30: ...name for iron in several ancient languages means "sky metal" or something similar. In distant antiquit...
60: ...increasing the height of the flue to as tall as 5 meters (16 feet) and smelting as much as 350 kg (750 lb...
149: [[sk:Oceľ]] - 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: ...e]], along the southwestern border, reaches 2,912 meters. The Balkan Mountains in the far west and the Ku...
92: ...i, Turkmenistan|Turkmenbashi]] (formerly Krasnovodsk). - Mummy (16225 bytes)
12: ... means "[[bitumen]]". (Because of the blackened [[skin]] of unwrapped mummies, bitumen was once though...
16: ...were originally buried in [[reed (plant)|reed]] caskets in the [[sand]]. The searing hot sand caused t...
25: ...m Classroom Clip Art]]]Embalmers were given the task to preserve the deceased. Not only did their job ...
29: ...rting a special hook up the nostrils and into the skull.
65: ...air, a shrunken face and body, and gray and brown skin. Its beard, eyebrows and eyelashes were clearly... - St. Peter's Basilica (17805 bytes)
8: ...in this exact spot, which had previously been a cemetery for pagans as well as Christians.
10: ... basilica should be rebuilt. [[Pope Nicholas V]] asked architect [[Bernardo Rossellino]] to start addi...
12: ...s II building was halted until [[Pope Paul III]] asked Michelangelo to design the rest of the church. ...
17: ...f [[Julius Caesar]], this was removed as the obelisk was erected in St. Peter's Square. There are also...
22: ...) across. It is not simply its vast scale (136.57 meters from from the floor of the church to the top of ... - 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. ...
54: ...architect [[Domenico Fontana]] to relocate [[obelisk]]s in Rome. From his report, it becomes obvious t... - 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
158: ... — African-American Inventor of the [[gas mask]], and [[traffic signal]]. - 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: ... by far the brightest [[star]]-like object in the sky.
5: ...iven that it is the third brightest object in the sky after the Sun and [[Moon]]. Its symbol is a styl...
16: ...ght from ever heating the surface. Venus's [[Bolometer|bolometric]] [[albedo]] is approximately 60%, and...
25: ... no impact crater smaller than about 3.2 km in diameter can form.
36: ...onomical]] feature in Earth's morning and evening sky (other than the Sun and Moon), and has been know... - Sundial (16148 bytes)
55: ...ern edge. In the winter, the north side of the disk will be shaded, and hard to read. In the summer,...
58: The disk in the above design is called the ''face''.
67: ...ses the same principle, except the lines of the disk are projected, using [[trigonometry]], onto a fac...
89: ...to measure angles to geographic features. Large (meter-sized) diptychs may have been used for [[navigati...
99: == Precision sundials (heliochronometers) == - Mammal (11782 bytes)
150: ...de up of three layers: the outermost [[epidermis (skin)|epidermis]], the [[dermis]], and the [[hypoder...
160: ...[synapsid]]s, distinguished by the shape of their skulls, in particular the presence of a single hole ...
164: ...um]]''), true mammals with three ear bones in the skull and a single lower jaw bone. Hence pelycosaurs...
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)
16: ...ion. Experiments involving lightning are always risky to extremes, and frequently fatal. The most well...
44: ...times longer, and can strike several miles or kilometers distant from the clouds. During a positive ligh...
65: ...ecause it lights up the cloud and the surrounding sky with an apparent ''sheet'' of light. One special...
101: ...ed expanding glow around 400 km (250 miles) in diameter that lasts for, typically, just one millisecond [...
125: ...al fields being between 100 and 400 kilovolts per meter. While there remains a possibility that research... - 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: ...c pressure is often measured with a mercury [[barometer]], and a height of approximately 30 inches of mer... - Cambodia (32076 bytes)
57: ...formal word meaning "country"; it comes from [[Sanskrit]] and is a cognate of the word ''pradesh'' as ...
59: ...desa''). [[Kambojas |Kambuja]] is the ancient Sanskrit name of an early north [[India]]n tribe which ...
63: ...57;jp;#257;}}'', same meaning) -ch⫠(from Sanskrit ''cakra'', meaning "'''wheel'''", a symbol of ...
132: ...he Indian word [[Brahmin]]) -''m⨡''- (from [[Sanskrit]], meaning "great", cognate with "maha-" in [[...
134: ...hanouk6.png|90px]]), where ''vira'' comes from Sanskrit ''{{IPA|vīra}}'', meaning "brave or emine... - Bottlenose Dolphin (16802 bytes)
59: ...hich may be male). A single calf is born, about 1 meter (3 feet) long at birth.
66: ...e [[shark]] species such as [[tiger shark]]s, [[dusky shark]]s, and [[bull shark]]s prey on Bottlenose...
95: ...e Dolphins as [[military dolphin]]s for wartime tasks such as attaching mines to enemy ships, locating... - Tsunami (29462 bytes)
24: ...nce as the wave travels, so the energy per linear meter in the wave decreases as the inverse power of the...
53: Regions with a high risk of tsunamis may use [[tsunami warning system]]s t...
87: ...ami that killed 165 people on [[Hawaii]] and [[Alaska]] resulted in the creation of a [[tsunami warnin...
93: ...Good Friday Earthquake]]''', tsunamis struck [[Alaska]], [[British Columbia]], [[California]] and coas...
137: ...[[Hawaii]], killing 159 people (five died in [[Alaska]]). - 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)
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 ...
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...
56: ... was appointed as head of a committee given the task of defining the scientific objectives for a large... - 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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