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- Global Positioning System (28209 bytes)
10: ...izing the satellites' onboard atomic clocks, and uploading data for transmission by the satellites.
11: ...S receivers used for both military and civilian applications.
12: ...eiver decodes time signal transmissions from multiple satellites and calculates its position by [[tril...
14: ... the current GPS constellation ''(Block II)'' was placed into orbit on [[February 14]], [[1989]]. The ...
18: ...llation" of at least 24 satellites in 6 [[orbital plane]]s. - Satellite (6584 bytes)
4: ...ervation allows for the discovery of [[extrasolar planet]]s.) If two objects are sufficiently similar ...
11: ...t would produce repercussions comparable to the explosion of the [[atomic bomb]]..." (see: [[Project R...
17: ...C rocket]] to launch a small satellite called [[Explorer 1]] on [[January 31]], [[1958]].
24: ...'' are satellites used for observation of distant planets, galaxies, and other outer space objects.
29: ...d for non-military uses such as [[environment]]al monitoring, [[meteorology]], [[map making]] etc. - Color (30968 bytes)
46: ...pectrum441pxWithnm.png]]<br><small>''Designed for monitors with [[gamma correction|gamma]] 1.5.''</small>
152: ... colors is a matter of taste and culture; for example, [[Isaac Newton]] identified the seven colors r...
154: ...or may alter its perception considerably; for example, a low-intensity orange-yellow is [[brown]], and...
157: ...for instance, when your [[computer]] screen is displaying the "orange" patch, it is ''not'' emitting p...
161: ...appear in the Newtonian pure spectrum). Some examples of necessarily non-spectral colors are the achr... - Hydroponics (15454 bytes)
1: '''Hydroponics''' is the growing of [[plant]]s without [[soil]]. A variety of techniques e...
3: ...often undertaken by very young children with such plants as [[watercress]].
7: ...weeds to pull, or soil to till, and plants can be placed very close to one another. This allows a lar...
9: ...make hydroponics ideal for those who wish to grow plants with maximum control over conditions, maximum...
13: ...nt physiologists Sachs and Knop grew plants in simple solutions of inorganic salts. - Iceberg (3511 bytes)
5: ... the expression "tip of the iceberg", generally applied to a problem or difficulty, meaning that the p...
11: ...l scientific bodies were established to study and monitor the icebergs. The [[International Ice Patrol]] tr...
15: The [[Antarctic]] icebergs are monitored by the [[National Ice Center]] and are named. T...
53: - Fourth Amendment to the United States Constitution (10692 bytes)
5: ... [[affirmation]], and particularly describing the place to be searched, and the persons or things to b...
14: ...h or affirmation, and particularly describing the place to be searched, and the persons or things to b...
27: ...gress]] has placed statutory restrictions on such monitoring). This doctrine sometimes leads to somewhat u...
32: ...fficers may search and seize objects that are in "plain view." Before the search and seizure, however,...
34: ... The Supreme Court ruled that no search had taken place. Some commentators have been critical of the ...
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