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- Cartography (10500 bytes)
3: ...Current trends in this field are moving away from analog methods of mapmaking and toward the creation of i...
7: The oldest known map dates from the [[5th millennium BCE]]. The oldest ma...
9: ...m the Kassite period ([[14th century BCE|14th]] – [[12th century BCE|12th centuries BCE]]) of Ba...
11: ... of the earth to within 15 per cent of the modern-day accepted value.
21: ...pping tended toward diagrammatic as well, since cadastral needs generally were met by descriptions of ... - 2006 (7939 bytes)
11: ...year starting on Sunday]] of the [[Gregorian calendar]]. It has been designated:
14: ...e ''[[Mozart]] Year'', celebrating the 250th birthday of the Austrian composer ''Johann Chrysostom Wol...
21: ...ent of television stations in the US to broadcast analog signals are lifted.
23: * [[January 1]] - 30 Cities across the [[Canada|Canadian]] Province of [[Quebec]] will be reconst...
25: * [[January 9]] - Planned launch date of [[New Horizons]] - Sundial (16148 bytes)
7: ...ow on a flat surface marked with the hours of the day.
12: Minor design variations can measure standard and daylight saving time, as well.
16: == Installation of standard sundials ==
18: Tilting the style or [[gnomon]] of a standard sundial is the only practical way to install a ...
22: ...es to the east or west to adjust to the local standard time zone (time zones are 360 degrees/24 hours ... - Clock (10086 bytes)
2: ...ct system of time measurement (''ed.'' see [[calendar]] for other measurements).
14: ..., event initiation or just to display the time of day.
37: ... [[second]]s. It is called "analog" because it is analogous to the movement of the sun across the sky, and...
43: ...s Cathedral]] installed a ‘horologe’—the word still used in French for large clocks....
47: ...ivided into four equal parts making the clocks readable to the nearest 15 minutes. - Seismograph (4037 bytes)
12: ...phs consist of full a foundation, a suspension, a damper, a suspended mass, a motion sensor attached t...
20: ...ound card provides a computer with an inexpensive analog-to-digital converter.
26: ... on the underside of the gate drags in the oil to damp oscillations in the gate.
32: ...ces [[Eddy current|eddy currents]] in the flag to damp motion.
34: ...available from microwave oven repair shops). The damper is a one-megaohm variable resistance across t... - Computer (32773 bytes)
3: ...configured in this way is given appropriate input data, then it can automatically solve the problem or...
10: ...e flow of water in a dam. Such ''[[analog signal|analog]]'' computers were once common in the 1960s but a...
12: In most computers today, the problem is first translated into mathematic...
24: ...ine. These qualifiers included [[analog (circuit)|analogue]], [[digital]] and [[electronic]]. However, fro...
47: **[[Personal Digital Assistant]] (PDA) - Computer hardware (4023 bytes)
1: ...al parts of a computer, as distinguished from the data it contains or operates on, and the [[software]...
2: ...between hardware and software is slightly blurry—[[firmware]] is software that is "built-in" to ...
6: ...ess Memory)- for program execution and short term data-storage, so the computer doesn't have to take t...
10: ...** [[Industry_Standard_Architecture|ISA]] bus (outdated)
31: * Internal storage - keeps data inside the computer for later use. - Capacitor (29664 bytes)
7: ...s stored at the surface of the plates, at the boundary with the dielectric. Because each plate stores...
34: The [[impedance]] in [[frequency domain]] can be written as
38: Applying the [[Laplace transform]], the impedance becomes:
45: ...ve stability issues. Another figure of merit for analog components is stability with respect to time and ...
70: ...rief summary to that article ? --[[User:DavidCary|DavidCary]] 22:46, 1 Jun 2005 (UTC) --> - Astrolabe (4446 bytes)
4: ...be''' is a historical astronomical instrument and analog computer. Its many uses include finding and pred...
10: ...A complete rotation represents the passage of one day. The astrolabe is therefore a predecessor of th...
12: ...e. When the astrolabe is held vertically, the alidade can be rotated and a star sighted along its len...
20: ...ther popular scientific [[gadget|gadgets]] of the day.
22: ...16th century, [[Johannes St?er]] published ''Elucidatio fabricae ususque astrolabii'', a manual of the... - Modem (21628 bytes)
1: ...y and decoded to reproduce the original digital [[data]].
5: ...nications|repeating frames of data]] at very high data rates over [[microwave]] radio links. Some mic...
7: ...ital data streams. Optical modems routinely have data rates in excess of a billion (1x10^9) bits per ...
9: Modems can be used over any means of transmitting analog signals, from driven [[diode]]s to [[radio]].
12: ...puter system)|Sabre]], is the distant parent of today's SABRE system. - Avalanche (25211 bytes)
3: ...is released down a slope, and is one of the major dangers faced in the [[mountain]]s in [[winter]]. A...
22: ...d 38 degrees. Unfortunately, slopes with the most dangerous steepness are favourite for skiing.
24: ...d side of ridges, and can contribute to avalanche danger.
26: ...rofile - [[convex]] slopes are statistically more dangerous than [[concave]]. Reasons lie partly in hu...
31: ...rain size, grain type, temperature) and avalanche danger are complex and not yet fully understood. Add... - Gallium (9500 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
7: ...align="center" | [[zinc]] – '''gallium''' – [[germanium]]
12: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
54: | [[Oxidation state]]s ([[Oxide]])
118: ! [[natural abundance|NA]] - Silicon (13233 bytes)
4: {{Elementbox_appearance_img | Si,14| dark gray, bluish tinge }}
44: ...ical analog [[carbon]]. It is the second most abundant element in the [[Earth]]'s crust, making up 25....
47: In its [[crystal]]line form, silicon has a dark gray color and a metallic luster. Even though i...
63: ... in [[1787]], and was later mistaken by [[Humphry Davy]] in [[1800]] for a compound. In [[1811]] [[Gay...
70: ... and after [[oxygen]] is also the second most abundant element. Elemental silicon is not found in nat... - Computer display (4276 bytes)
1: ...l]], computer displays have long since become standardized peripherals in their own right.
20: ...e, red, green, blue, cyan, magenta and yellow) or analog colour (red, green and blue signals are continuou... - Film (18911 bytes)
4: ..., ''photoplays'', ''picture shows'', ''flicks'' — and most commonly ''movies''. Academics and t...
6: ...levance is what causes the perception of motion — a psychological effect identified as [[beta mo...
14: ...arefully designed to achieve the desired effect — and the underlying principle became the basis ...
22: ...ut as color processes improved and became as affordable as [[black-and-white]] film, more and more mov...
28: ...ces of [[movie studio]]s, recent advances in affordable film making equipment have allowed independent... - Space Shuttle program (41074 bytes)
20: ...se without it a large station would never be affordable.
25: ...continue spending money upgrading those designs — the shuttle would provide more than enough cap...
27: ...oint rotating away from it while in polar orbit — in a 90 minute orbit [[Vandenberg AFB, Califor...
41: ...hey could do in terms of cutting whole projects — the shuttle was all that was left, cut that an...
53: ...ries of landing tests that was the first real validation of the gliding abilities of the design. - Flight simulator (9712 bytes)
8: ...hazardous to attempt untrained, from the earliest days various schemes were used to enable new [[aviat...
13: ...ng how to fly night missions. In the [[1940s]], [[analog computer]]s were used to solve the equations of f...
19: Today there are various categories of flight simulator...
21: - Mobile phone (30513 bytes)
18: ...da]], as it uses the same mix of incompatible standards as does the U.S., and is also part of the NANP...
22: ...lular network]]s and contain a [[GSM services|standard set of services]] that allow phones of differen...
24: ...pport voice calls; they can also send and receive data and [[fax]]es (if a computer is attached), send...
28: Today, most models also allow for sending and receivin...
32: ... personalisation, such as user defined and downloadable [[ring tone]]s and [[operator logo|logo]]s, an...
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