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- Computer (32773 bytes)
1: [[image:powermacG5_large.jpg|thumb|right|200px|The [[computer case|tower...
3: ...be made to represent some aspect of a problem or part of a system. If a computer configured in this wa...
8: ...t of many different technologies, nearly all popular types of computers have electronic components.
10: ...puters were once common in the 1960s but are now rarer.
12: ...zeros). Next, all operations on that information are reduced to simple [[Boolean algebra]]. - List of computing topics (15876 bytes)
20: [[16550 UART]] --
39: [[386SPART.PAR]] --
75: [[8514 (display standard)]] --
112: [[Array programming]] --
113: [[Arithmetic and logical unit]] -- - Capacitor (29664 bytes)
2: ...conductors on which equal but opposite electric charges have been placed. Intentional capacitors have ...
7: ...res an equal but opposite charge, the ''total'' charge in the device is always zero.
9: ...eated by the plates. (The air gap is shown for clarity; in a real capacitor, the dielectric is in dir...
13: ...ial difference]] or ''voltage'' (''V'') which appears across the plates:
16: ...n microfarads (µF), nanofarads (nF) or picofarads (pF). - Hybrid vehicle (47544 bytes)
6: ... a [[Genset trailer|range extending trailer]]. Nearly all hybrids still require gasoline as their sol...
8: ...mixed national origin; generally, a [[Europe]]an car fitted with American mechanical components. This ...
10: <div style="float: left; margin-right: 20px; margin-top: 10px">__TOC__</div>
12: .../jun26/charter.htm | accessdate=June 26 | accessyear=2002}} of George W. Bush's administration in 2001...
14: ... Since then, many submarines have moved to [[nuclear power]], which can operate underwater indefinitel... - Photography (18493 bytes)
1: [[Image:Camera.jpg|right|Lens and mounting of a large format camera|thumb]]
5: ...rayographs]] published by [[Man Ray]] in [[1922]] are images produced by the shadows of objects cast o...
7: ...produces an image whose contents are acceptably sharp, bright and composed to achieve the objective of...
17: ...ess is aperture multiplied by shutter speed, and varying the focal length of the lens will allow great...
20: ...lity, such as the [[pictorialist]] movement. Military, police and security forces use photography for ... - Camera (4262 bytes)
1: ...ra obscura]]'', [[Latin]] for "dark chamber", an early mechanism for projecting images in which an ent...
7: ...focus]] that is indicated on the camera body. The user will guess or calculate the distance to the subje...
9: ...t (usually identical to the objective lens) in a parallel body for composition and focusing. [[View ca...
11: ...igital cameras use [[electronics]], usually a [[charge coupled device]] (CCD) or sometimes a [[CMOS]] ...
13: ...ial effects]] work and modern [[digital camera]]s are often able to trivially switch between still and... - Juneau City and Borough, Alaska (8577 bytes)
2: ...ed by [http://classroomclipart.com Classroom Clip Art]]
4: ...y incorporated place as the City and Borough boundaries coincide.
10: ...roads. A car brought to Juneau must be put on a barge or ferry first.
13: ...ures are rich with artistic traditions including carving, weaving, orating, singing and dancing.
15: ...und nuggets "''as large as peas and beans''," in Harris' words. - Tennis (24557 bytes)
1: ...st throughout the English-speaking world, particularly among the upper classes.
3: ...ies around the world. Its rules have remained remarkably unchanged since the 1920s. Along with its m...
8: :''Main article: [[Tennis_court|Tennis court]]''
12: ...is stretched across the full width of the court, parallel with the baselines dividing it into two equa...
14: There are three main types of courts depending on the mate... - Inca Empire (25571 bytes)
4: ...s of the [[Conquistador]] [[Francisco Pizarro]], marking the beginning of [[Spanish_colonization_of_th...
8: ...hu Picchu]], "the Lost City of the Incas," now an archaelogical site.]]
11: ...hen referring to the beliefs of the people or the artifacts they left behind.
17: ... Tici Viracocha of Colina de las Ventanas in [[Pacaritambo]] sent forth his four sons and four daughte...
21: ...nco Capac who became the leader of his tribe. The archeological evidence seems to indicate that the In... - Navigation (15650 bytes)
3: There are several traditions of '''navigation'''.
9: ...o locate directions at various times of day and year, memorized extensive facts concerning:
10: * the motion of specific [[star]]s, and where they would rise and set on the [[ho...
13: * wildlife species (which congregate at particular positions)
16: * angles for approaching harbors - Computer keyboard (4428 bytes)
1: ...yboard_large.jpg|thumb|250px|QWERTY computer keyboard]]
3: ...affect the operation of the computer, or the keyboard itself. See [[input method editor]].
7: ... connection to the computer. The keyboard presses are conveyed by radio to a small local receiver, whi...
9: ...ting in different languages, but specialised keyboard layouts for mathematical, accounting, or compute...
11: ...ys simultaneously. As an example, the [[GKOS keyboard]] has been designed for small wireless devices. - Computer mouse (29399 bytes)
1: ...coding disks include light holes.<br>'''4:''' Infrared LEDs shine through the disks.<br>
5: ...pointer on the screen can be mouse like. In popular usage, the plural can be either ''mice'' or ''mou...
9: ...t computer mouse held by inventor [[Douglas Engelbart]] showing the wheels which directly contact the ...
11: ... (left to right) Opposing track wheels by ''Englebart'', 11/70, [http://www.freepatentsonline.com/3543...
13: ...ystem)|NLS]]), which was both a hardware and software system. The other devices were designed to expl... - Modem (21628 bytes)
1: ...]] information, and that also demodulates such a carrier signal to decode the transmitted information....
3: The most familiar example of a modem turns the digital '1s and 0s' ...
5: Far more exotic modems are used by internet users every day. In [[telecommunications]], "radio mo...
7: ...llion (1x10^9) bits per second. Their bandwidths are currently limited by the thermal expansion of th...
12: ...[Sabre (computer system)|Sabre]], is the distant parent of today's SABRE system. - Global warming (53726 bytes)
3: ... principal causes are natural cycles such as [[solar activity]], is held by many journalists and polit...
5: ...ver the next one hundred years due to the lag in warming caused by the oceans.
7: ... of [[climate change]]. Such changes can trigger various detrimental effects by causing [[flood]]s, [[...
11: ... caused change [http://www.grida.no/climate/ipcc_tar/wg1/518.htm]. Sometimes the term "anthropogenic ...
16: ...an international group of science academies from various countries including [[Brazil]], [[Canada]], [... - Sand (3758 bytes)
1: ...ed by [http://classroomclipart.com Classroom Clip Art]]]
3: ... ranging up to 64 mm (see [[grain size]] for standards in use).
5: ...ite color. Sand deposits in some areas contain [[garnet]]s and other resistant minerals, including som...
6: ...ed by [http://classroomclipart.com Classroom Clip Art]]]
7: ...r (landform)|sand spits]], [[bar (landform)|sand bars]], and the like. In a [[desert]], sand is a domi... - Christmas tree (16574 bytes)
2: ... [[Christmas ornament|ornament]]s during the days around Christmas.
5: ...lars as a [[life-death-rebirth deity]]), the god carries a tapering coniferous tree. [[Medieval]] lege...
7: ...g of the Three Wise Men on camels following the star of Bethlehem.]]
9: ...d evergreen trees because of their triangular appearance.
11: ...e custom spread across Austria in the following years. In [[France]], the first Christmas tree was int... - Aluminium (26079 bytes)
4: {{Elementbox_appearance_img | Al,13| silvery }}
27: {{Elementbox_magnetic | [[paramagnetism|paramagnetic]] }}
33: {{Elementbox_shearmodulus_gpa | 26 }}
36: {{Elementbox_mohshardness | 2.75 }}
37: {{Elementbox_vickershardness_mpa | 167 }} - Hammond organ (5160 bytes)
1: ...tary chapels during and after the [[Second World War]].
5: ...n electronic oscillators, original Hammond organs are ''electric'' rather than ''electronic'' organs.
7: ...that was originally a design flaw rapidly became part of the "Hammond sound", which modern imitations ...
11: ...st Hammond organs do not have a full [[AGO pedalboard]], something that was done originally for cost a...
13: .... These instruments do not have the distinctive characterful 'Hammond sound'. - Tobacco (28162 bytes)
14: ...age|Spanish]] word "tabaco", whose roots are unclear; it is thought to derive from the [[Native Americ...
16: ...]s. Other active alkaloids in Tobacco include [[harmala]].
18: Major hazards of tobacco use, however, include [[carcinogen]]ic compounds in tobacco and tobacco smoke...
24: ...common among many [[indigenous people]]s, particularly those of [[South America]].
28: ...tobacco crop, Rolfe was able to make his fortune farming it. When he left for [[England]] with Pocahon... - Solar power (20128 bytes)
1: ...y in widespread use where other supplies of power are absent such as in remote locations and in space.
3: ... generally accepted standard is 1020 watts per square meter at sea level.
5: ...isible]] and [[ultraviolet light]]. Plants use solar energy to create chemical energy through [[photos...
7: ==Classifications of solar power==
9: Solar power can be classified as direct or indirect.
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