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- Periodic table (7298 bytes)
54: ...ve very similar properties. They are all highly [[corrosion|corrosive]] (meaning they combine readily with [[... - Steel (28384 bytes)
2: [[Image:Steel framework.jpg|thumb|300px|Steel framework]]
3: ...s, which are naturally arranged in a [[lattice]], from sliding past one another. Varying the amount of...
8: ...rtant that smelting take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iro...
11:
17: ...n this case, expansion occurs. Internal stresses from this expansion generally take the form of [[com... - Virginia Woolf (9482 bytes)
1: [[Image:VirginiaWoolf.jpeg|frame|right|Virginia Woolf]]
11: ...s of characters, and the various possibilities of fractured narrative and chronology. She has, in the ...
13: ...lux of time and life, presented simultaneously as corrosion and rejuvenation- all set in a highly imaginative...
22: ...ayal of Woolf in the movie. The film was adapted from [[Michael Cunningham]]'s Pulitzer Prize-winning...
52: *''Roger Fry: A Biography'' ([[1940]]) - Lubricant (1488 bytes)
1: ...duced between two moving surfaces to reduce the [[friction]] and wear between them. Worldwide, more t...
3: ...tion and wear, increased viscosity, resistance to corrosion, aging or contamination, etc.
5: ... cushion and others. An alternative way to reduce friction and wear is to use bearings such as [[ball ... - Lightning rod (7638 bytes)
1: ...s the roof of a building or the mast of a vessel) from [[lightning]] damage. Other names include '''l...
4: ...g storms. If the underground cable will resist [[corrosion]] well, it may be covered in [[salt]] to improve ...
12: ...er's potential paths as a [[sphere]] that travels from the cloud to the ground.
14: ...ould be placed where they will prevent the sphere from touching a structure.
28: ...res causing fire, loss of strength and explosions from [[Steam explosion|superheated steam]] and air. - Sundial (16148 bytes)
14: Sundials are known from ancient Egypt, and were developed further by ot...
24: ...rection table, and must be adjusted for longitude from the center of the time zone. The admittedly in...
34: The sun casts a shadow from the gnomon to a surface called the ''dial face'...
49: .... Traditional styles are thick bronze to prevent corrosion.
67: ...t of the gnomon (the ''substyle'') are calculated from the formula face-angle = arctan(sin(latitude)*t... - Parthenon (12682 bytes)
1: ...:ac.parthenon5.jpg|thumb|300px|The Parthenon seen from the hill of the Pnyx to the west]]
3: ...thena the Virgin''', and its popular name derives from the Greek word ''παρθέ...
9: ...he treasury of the Delian League, which was moved from the Panhellenic sanctuary at [[Delos]] to the A...
19: ...ted on the northern side: it may have been scenes from the [[Trojan War]].
21: ...ouring Athena. On the fourth, eastern, side was a frieze showing all the gods of the Greek [[pantheon]... - Beryllium (15119 bytes)
141: ...berated when it is hit by [[alpha particle]]s, as from [[radium]] or [[polonium]] (about 30 neutrons/m...
144: ...rdness]], nonmagnetic properties, along with good corrosion and fatigue resistance. These applications includ...
152: .../Telescope/mirrortale/ (Beryllium related details from NASA here)] will have 18 hexagonal beryllium se...
155: ...[beryl]] and in [[emerald]]s. [[Friedrich Woehler|Friedrich W?r]] and [[Antoine Alexandre Brutus Bussy...
167: ...d to examine [[soil erosion]], [[soil formation]] from [[regolith]], the development of [[laterite|lat... - Chromium (13677 bytes)
110: ..., is fusible with difficulty, and is resistant to corrosion and tarnishing.
116: * In [[metallurgy]], to impart corrosion resistance and a shiny finish:
134: ...t pigment developed rapidly. A bright yellow made from crocoite became a very fashionable color.
138: ...the remainder used in the chemical industry and refractory and foundry industries.
140: ...or]], because of the many colorful compounds made from it. - Cobalt (13481 bytes)
102: ...th 1.6~1.7 [[Bohr magneton]]s per [[atom]]. It is frequently associated with [[nickel]], and both are ...
110: ** [[Corrosion]]- and wear-resistant alloys.
130: ...y radioactive, and so cobalt machines have fallen from favor in the Western world where [[linacs]] are...
142: ... [[nickel]]). Some also think the name may derive from Greek ''kobalos'', which means 'mine', and whic...
149: Cobalt is not found as a free metal and is generally found in the form of [[o... - Gold (24329 bytes)
156: ... These colors are the result of gold's [[plasmon frequency]] lying in the visible range, which causes...
160: ...eagent]]s. Heat, moisture, [[oxygen]], and most [[corrosion|corrosive]] agents have very little chemical effe...
162: ...] and dissolves allowing the gold to be displaced from solution and be recovered as a solid precipitat...
165: ...uperior electrical conductivity and resistance to corrosion and other desirable combinations of physical and ...
179: *Since it is a good reflector of both infrared and visible light, it is used for the protect... - Hafnium (9162 bytes)
160: ...s is a shiny silvery, ductile [[metal]] that is [[corrosion]] resistant and chemically similar to [[zirconium...
162: ... compound known and hafnium nitride is the most refractory of all known metal nitrides with a [[meltin...
167: ..., excellent mechanical properties and exceptional corrosion-resistance properties. Other uses:
179: It was separated from zirconium through repeated recrystallization of...
182: ...l [[zirconium]] compounds but does not exist as a free element in nature. [[Mineral]]s that contain zi... - Holmium (7766 bytes)
130: ...ively soft and malleable element that is fairly [[corrosion]]-resistant and stable in dry air at [[standard t...
144: ...Cleve first removed all of the known contaminants from erbia. The result of that effort was two new ma...
147: ...0.05% holmium) but is still difficult to separate from other rare earths. The element has been isolate... - Indium (8657 bytes)
133: ...ary application is to form transparent electrodes from [[Indium tin oxide]] in [[liquid crystal displa...
144: ...od as those made with [[silver]] but has higher [[corrosion]] resistance.
153: ...e]] [[mining]] concerns stopped extracting indium from their [[zinc]] tailings. In 2002, the price wa... - Iridium (10102 bytes)
166: ...[[osmium]]. Iridium is notable for being the most corrosion resistant element known and for its association w...
169: ... to machine, form, or work. Iridium is the most [[corrosion]]-resistant metal known. Iridium cannot be attack...
171: ...t element known. However, calculations of density from the [[space lattice]] may produce more reliable...
189: ...ium. It is recovered commercially as a by-product from [[nickel]] mining and processing.
203: ...pniok.de/ir.htm Picture in the element collection from Pniok.de] - Lead (8244 bytes)
3: ...lleable [[poor metal]], lead is bluish white when freshly cut but tarnishes to dull gray when exposed ...
6: ...ivity]]. This true metal is highly resistant to [[corrosion]]. Because of this property, it is used to contai...
12: ...ause of its density, fishing [[sinker]]s are made from lead.
15: ...umbum''. The English word "plumbing" also derives from this Latin root.
21: ...t more than half of the lead used currently comes from recycling. - Lutetium (10459 bytes)
154: Lutetium is a silvery white [[corrosion]]-resistant trivalent [[metal]] that is relativel...
159: ...the chemical elements|discovered]] in [[1907]] by French scientist [[Georges Urbain]] and Austrian min...
161: The separation of lutetium from Marignac's ytterbium was first described by Urb...
166: ...by itself, lutetium is very difficult to separate from other elements and is the least abundant of all...
168: ...ensive of the rare earth metals). It is separated from other rare earth elements by [[ion exchange]] (... - Aluminium (26079 bytes)
48: ...the [[world economy]]. Structural components made from aluminium are vital to the [[aerospace]] indust...
52: ...and easily machined and cast; and has excellent [[corrosion]] resistance and durability due to the protective...
58: ...so coated with a thin layer of aluminium, but are front coated to avoid internal reflections even thou...
82: ...lue if people started producing this bright metal from clay. Therefore, instead of giving the goldsmit...
86: ...in bauxite ore and successfully extracted it. The Frenchman [[Henri Saint-Claire Deville]] improved W?... - Mercury (element) (24761 bytes)
177: ...aratuses. Mercury is mostly obtained by reduction from the [[mineral]] [[cinnabar]].
184: ...nd [[cadmium]] and does not displace [[hydrogen]] from [[acid]]s. Common [[oxidation state]]s of this ...
206: ...]], mercury use was thought to prolong life, heal fractures, and maintain generally good health. The [...
208: ...lity to transform mercury into any metal resulted from the essentially mercurial quality of all metals...
210: ... modern [[chemical symbol]] for mercury. It comes from hydrargyrum, a [[Latin]]ized form of the [[Gree... - Molybdenum (10247 bytes)
175: ...ndustry. Molybdenum oranges are pigments, ranging from [[red]]-[[yellow]] to a bright red [[Orange (co...
178: ... until the late [[19th century]]. Subsequently, a French company, [[Schneider and Co]], tried molybden...
181: ...opper]] mining. Molybdenum is present in [[ore]]s from 0.01% to about 0.5%. About half of the world's ...
183: ... pure molybdenum in a [[pyroxene]] fragment taken from [[Mare Crisium]] on the [[Moon]].
192: ...emical industry, but to date, no instance of harm from this exposure has been reported. Though water-s...
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