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- Sally Ride (1826 bytes)
1: .... [[May 26]], [[1951]] in Los Angeles CA) was the first [[United States|American]] woman to fly into o...
5: ...ee-electron laser physics]]. She later became the first American woman in space as part of a [[1983]] ...
18: ...a.gov/Bios/htmlbios/ride-sk.html Her astronaut profile.] - Engraving (3556 bytes)
5: ...on larger areas. Flat gravers are used for doing fill work on letters, as well as most musical instru...
15: ... engraved, although the practice is now mostly confined to particular countries, and/or used when a mo...
19: ...ields. The highest levels of the art are found on firearms and other metal weaponry, jewelry and music...
28: * [[Laser engraving]] - Glass (26176 bytes)
1: The materials definition of a '''glass''' is a uniform [[amorphous s...
5: ...der of this article will be concerned with a specific type of glass—the [[silica]]-based glasses...
9: ...ak into sharp shards. These properties can be modified, or even changed entirely, with the addition of...
22: ...iber_amplifier|amplify]] transmitted signals by [[laser]] emission from within the glass itself.
32: ...sorbs [[infrared]] energy, such as heat absorbing filters for movie projectors, while [[cerium]] can b... - Printing (4400 bytes)
11: Printing was first discovered and developed in [[China]]. Primiti...
15: ...ess in Mexico City, Mexico. Stephen Day built the first printing press in North America at Massachuset...
21: A [[document]] can also be printed by a [[laser printer]], [[Inkjet printer|inkjet]], or other [[...
44: * [[Ivan Fedorov]], first [[Russia]]n printer
46: * [[Francysk Skaryna]], first [[Belarus]]ian printer - Timeline of invention (28171 bytes)
3: ...re is ambiguity, the date of the first practical, fielded version of the invention is used here.
8: * 1 MYA: Controlled [[fire]] in [[Cradle of Humankind|Africa]]
26: * [[Cloth]] woven from [[flax]] fiber
82: * [[673]]: [[Greek fire]]: [[Kallinikos]]
84: * [[852]]: [[Parachute]]: [[Armen Firman]] - List of sports (7304 bytes)
1: ...system has a disadvantage because some sports may fit in more than one category. Here they are only li...
4: Track and field [[athletics]].
16: ** [[Steeplechase#Steeplechase in Track and Field|Steeplechase]]
28: * [[Bullfighting]]
42: Generally sports in which athletes fight or combat each other, usually one-on-one. - Tree (23723 bytes)
3: ...nial]], woody [[plant]]. Though there is no set definition regarding minimum size, the term generally ...
5: ...tant components of the natural landscape and significant elements in [[landscaping]], and in [[agricul...
7: ==Classifications==
11: ...well known trees and how they are typically classified.
13: ...ed a '''[[forest]]'''. Several [[biotope]]s are defined largely by the trees that inhabit them; exampl... - List of inventors (14020 bytes)
73: ..., (1854-1932), [[United States|USA]] — roll film
83: *[[Adolf Eugen Fick]], (1829-1901) — [[contact lens]]
97: *[[Gordon Gould]] — [[laser]]
137: ...ited States|USA]] — [[Polaroid]] polarizing filters and the [[Land Camera]]
139: *[[Irving Langmuir]], (1851-1957), gas filled incandescent lamp, hydrogen welding - Microscope (8708 bytes)
3: The most common type of microscope—and the first to be invented—is the '''optical microsc...
8: ... is a microscope that uses only one lens for magnification. [[Anton van Leeuwenhoek|Van Leeuwenhoek]]'...
23: #fine adjustment knob
34: ...s a power of 100×. The actual power of magnification is the product of the powers of the ocular ...
42: ...g distance. A stereo microscope has a useful magnification up to 100×. The resolution is maximal... - Apple Macintosh (24250 bytes)
4: ...rcial)|famous Super Bowl commercial]]. It was the first marketed personal computer to popularize the [...
7: ...eing the first to display the Mac OS logo, is the first version of the Mac OS under that name). In [[M...
16: * Long file names, with [[whitespace]] and no [[file extension]].
24: * The [[PostScript]] [[laser printer]]
32: * First laptop with keyboard behind a palmrest ([[Powe... - Pinhole camera (6994 bytes)
4: ...e]]s; see also [[camera obscura]]), or can expose film or a [[charge coupled device]] (CCD). Pinhole ...
8: ...ness of the material in which it is punched, significant vignetting at the edges of the image will res...
10: ..., but a hobbiest can still produce pinholes of sufficiently high quality for photographic work.
12: ...metal reclaimed from an aluminium drinks can, use fine sand paper to reduce the thickness of the mater...
14: ...d of calculating the optimal pinhole diameter was first attempted by [[Josef Petzval]]. - March 22 (9294 bytes)
10: ...nt]] passes the [[Stamp Act 1765|Stamp Act]], the first direct tax levied from [[England]] on the Amer...
12: ...governor of a [[U.S. state]] to be removed from office by [[impeachment]].
14: *[[1894]] - The first playoff game for the [[Stanley Cup]] starts.
15: *[[1895]] - First display (a private screening) of [[motion pict...
23: ...les Townes]] receive the first [[patent]] for a [[laser]]. - Atlanta, Georgia (39442 bytes)
19: |url=[http://www.atlantaga.gov/ City of Atlanta Official Website]}}
33: .... The origins of the modern name are somewhat difficult to describe. In [[1845]], the Chief Engineer...
36: ... point in the Civil War, giving the North more confidence, and leading to the re-election of [[Abraham...
38: ...ty of the "New South," by which he meant a diversification of the economy away from agriculture and a ...
43: ...lanta from the old Malaria Control in War Areas offices and staff. - Computer mouse (29399 bytes)
3: ...ice]] for [[computer]]s, involving a small object fitted with one or more buttons and shaped to sit na...
8: ...ge:First_Computer_Mouse_pic_2.jpg|thumb|300px|The first computer mouse]]
9: [[Image:firstmouseunderside.jpg|frame|The first computer mouse held by inventor [[Douglas Enge...
15: ...ously'' hold the mouse in one hand, and type on a five-key chord keyset with the other.
21: ...]. A spin-off of EPFL, [[Logitech]], launched the first popular mice. - Cornea (4779 bytes)
1: ... "tune" the focus, the curvature of the cornea is fixed.
9: The cornea consists of five layers. Here they are listed from the outside t...
13: ... It consists of irregularly arranged [[collagen]] fibers.
15: ...larly arranged collagen fibers along with (few) [[fibroblast]]s. If the stroma is damaged, for example...
17: ...'): a thin acellular layer that serves as the modified basement membrane of the corneal endothelium. - Arsenic (12497 bytes)
41: | [[Electron configuration]]
61: | 12.95 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre ...
75: | [[Specific heat capacity]]
143: ...w and gray/metallic, with [[specific gravity|specific gravities]] of 1.97 and 5.73, respectively.
148: ...concern in some quarters about the widespread landfill disposal of such timber. - Dysprosium (8843 bytes)
44: | [[Electron configuration]]
68: | 19.01 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre ...
87: | [[Specific heat capacity]]
163: ...ith [[vanadium]] and other elements, for making [[laser]] materials; its high [[thermal neutron]] absorpt...
166: Dysprosium was first identified in [[Paris]] in [[1886]] by [[France|French]] [... - Europium (8579 bytes)
44: | [[Electron configuration]]
87: | [[Specific heat capacity]]
154: ...een used to dope some types of plastics to make [[laser]]s. Due to its ability to absorb neutrons, it is ...
157: Europium was first found by [[Paul ɭile Lecoq de Boisbaudran]] i...
162: ...]] and [[monazite]]. Europium has also been identified in the spectra of the sun and certain stars. - Gallium (9500 bytes)
48: | [[Electron configuration]]
72: | 11.80 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre ...
91: | [[Specific heat capacity]]
135: ...m is a brittle solid at low temperatures but liquefies slightly above room temperature and indeed will...
138: ...allium metal expands by 3.1 percent when it solidifies, and therefore should not be stored in either g... - Hafnium (9162 bytes)
43: | [[Electron configuration]]
86: | [[Specific heat capacity]]
156: ...]s. Hafnium is used in [[tungsten]] [[alloy]]s in filaments and [[electrode]]s and also acts as a [[ne...
160: ...es and these two elements are amongst the most difficult to separate. The only notable difference betw...
164: ...tudied as a possible power source for gamma ray [[laser]]s.
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