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- Solar cell (27643 bytes)
10: The [[etymology]] of the term "photovoltaic" comes from the [[Greek language|Greek]] ''photos'' me...
21: ...line [[silicon]]. Crystalline silicon solar cells come in three primary categories:
22: ...hey are cut from cylindrical ingots, they cannot completely cover a module without a substantial waste...
23: ...n of a panel than monocrystalline cells, and this compensates for their lower efficiencies.
24: ... Evergreen Solar], and [http://www.rweschottsolar.com/ RWE Schott Solar]. These cells are typically the... - Karl Marx (38076 bytes)
2: ...e introduction to the ''[[The Communist Manifesto|Communist Manifesto]]'': "The history of all hitherto...
18: ...t there were still further dialectical changes to come, and that the Prussian society of the time was f...
20: ...l. Marx instead submitted his dissertation, which compared the atomic theories of [[Democritus]] and [[...
28: ...y 21]], [[1848]], which was commissioned by the [[Communist League]] (formerly, the League of the Just)...
33: ...l sentence (editing the ''Hansard'' version was a common practice among [[Members of Parliament]]). - Compost (10069 bytes)
1: [[Image:Compost.jpg|right|]]
3: ...ls (those with [[plant]] and [[animal]] origins). Compost is used in [[gardening]] and [[agriculture]],...
5: ...desert]]s, which prevent the microbes and other decomposers from thriving.
7: ...ive. To encourage the most active microbes, the compost pile needs the proper mix of the following in...
13: ...astic bag of vegetables in your refrigerator is decomposed by microbes, but the absence of air encourag... - Hydroponics (15454 bytes)
9: These qualities combine to make hydroponics useful wherever people wi...
21: ...for the optimum settings for most plants. This is commonly employed for large display plants in public ...
23: .../Method4.jpg Example Image from HydroponicsOnline.com]
27: ...with growing medium (clay granules being the most common) and planted directly, or pots of medium stand...
29: .../Method1.jpg Example Image from HydroponicsOnline.com] - Organic farming (38858 bytes)
5: ...al [[farmer]]. However, all organic systems share common goals and practices:
14: ...ts in [[processed food]]. The manufacture of most commercially processed food is well beyond the scope ...
16: ...agriculture and organic food. Until recently, the comparison looked something like this:
49: ...easiest to describe by contrasting it with modern commercial techniques.
55: ...ter, using techniques like [[green manure]] and [[composting]], to replace nutrients taken from the soi... - Bureaucracy (8428 bytes)
17: ...century the term "Byzantine" came to refer to any complex bureaucratic structure.
19: ... became meritocratic. Following the Song reforms, competitive examinations took place to determine whic...
25: ...governmental or nongovernmental organizations and comes from the [[French language|French]] word ''bure...
27: ...]. However, he also emphasized that bureaucracy becomes inefficient when a decision must be adopted to ...
45: # official and private business and income are strictly separated - Temperature (22519 bytes)
1: ...ysical]] property of a system which underlies the common notions of "hot" and "cold"; the material with...
21: ...ial that varies with temperature. One of the most common devices for measuring temperature is the glass...
34: Under some conditions it becomes possible to measure temperature by a direct use...
65: |+ Comparison of temperature scales
67: ! Comment - Social justice (17329 bytes)
6: ...the human propensity to evaluate shades of gray becomes the catalyst for a problem that can be stated s...
9: ...ers for resource management) and a willingness of community members to sacrifice some personal freedom ...
11: ...rms of morality as the price of membership in the community.
13: ...orality to satisfy a duty owed to God, and the outcome of social justice is driven by the tenets of mor...
15: ...of moral tenets, however, produces a different outcome, as in the [[karmic]] (Buddhist) principle of ju... - Floater (3720 bytes)
9: ...ially if they are [[shortsighted]]. They are also common after [[cataract]] operations or after trauma....
15: ...One should bear in mind also that floaters may become less annoying as sufferers grow accustomed to th... - Bullfighting (25773 bytes)
4: ...d danger involved, the bulls are often physically compromised before or during the match.
17: ...tial central iconic act of [[Mithras]], which was commemorated in the [[mithraeum]] wherever Roman sold...
19: ...stems of many ancient [[Mediterranean]] cultures; compare, for instance, the Minoan reverence of the bu...
24: ...rtugal. The "classic" style of bullfighting which comes to most peoples' minds, where the bull is kille...
34: ...k, and three ''banderilleros''. Collectively they comprise a ''cuadrilla'' or team of bullfighters. - Song Dynasty (16385 bytes)
14: ..., artisans, and merchants. A new group of wealthy commoners - the mercantile class - arose as printing ...
16: Accompanying this was the beginnings of what one might ...
18: ...ng Dynasty|Tang]] ideal of the universal man, who combined the qualities of scholar, poet, painter, and...
20: ...ressed the one-sided obligations of obedience and compliance of subject to ruler, child to father, wife...
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