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- Computer mouse (29399 bytes)
11: ...by ''Opocentsky'', 10/76, [http://www.freepatentsonline.com/3987685.html 3987685].]]
13: ...gelbart's oN-Line System ([[NLS (computer system)|NLS]]), which was both a hardware and software syste...
24: ...Kirsch]] of [[Mouse Systems Corporation]], could only be used on a special metallic surface ([[mouse p...
35: [[Image:Optical_Mouse.jpg|thumb|right|Under a Microsoft Optical Wheel Mouse]]
39: ...reless settings. A wireless mechanical mouse may only draw 5mA or less of [[electrical current]], wher... - Sedimentary rock (7917 bytes)
8: .... Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form ...
10: ...ent only a thin veneer over a crust consisting mainly of igneous and metamorphic rocks.
28: ...med at lower temperatures. Igneous rocks are commonly attacked by water, particularly acid or alkaline...
47: ...his interaction is studied in the science of [[geomicrobiology]]. One measure of the shape of these part... - Beryllium (15119 bytes)
92: | 31.3 [[Siemens (unit)|µS]]/m
146: ...iagnostics to filter out visible light and allow only X-rays to be detected.
147: ...y beryllium is being used for the reproduction of microscopic [[integrated circuit]]s.
167: Of beryllium's 10 [[isotope]]s, only beryllium-9 is stable. [[Cosmogenic]] beryllium-...
186: ...not have any symptoms. The general population is unlikely to develop acute or chronic beryllium diseas... - Fluorine (8588 bytes)
39: In aqueous solution, fluorine commonly occurs as the fluoride ion F<sup>-</sup>.
62: ... reactivity - it is separated from its compounds only with difficulty and then it immediately attacks ...
75: ...n for a daily 8-hour time-weighted exposure is 1 µL/L ([[part per million|part per million by volum...
80: *[http://periodic.lanl.gov/elements/9.html Los Alamos National Laborator... - Gold (24329 bytes)
80: | 237 [[Pascal|µPa]] at 1337 K
156: ...ted and blue light to be absorbed. It is one of only three metals which have an actual easily-identif...
177: ...material to be viewed under a [[scanning electron microscope]].
186: ...reek language|Greek]] χρυσος [''khrusos''], [[Latin]] ''aurum'' for ...
250: There is only one stable [[isotope]] of gold, and 18 [[radiois... - Lithium (11359 bytes)
77: | 163 [[Pascal (unit)|µPa]] (453.7 K)
134: ... is the lightest metal and has a density that is only half that of [[water]]. Like all alkali metals,...
141: ...rugs. Useful amounts of Lithium for this use are only slightly lower than toxic amounts, so that the b...
178: *[http://periodic.lanl.gov/elements/3.html Los Alamos National Laborator... - Radon (12616 bytes)
142: ...ticularly in certain regions, especially but not only regions with [[granite|granitic]] soils. Not all...
150: ...8 m), [[bismuth]]-214 (19.7 m), polonium-214 (164 micro-s), lead-210 (22.3 y), bismuth-210 (5.01 d), polo...
157: ...atmosphere in dust form can fix themselves on the microparticles in tobacco smoke, which then enter the [...
159: ...ick PVC plastic sheeting can do the job well and only cost ?100 in a new build. In lieu of building w...
165: *[http://periodic.lanl.gov/elements/86.html Los Alamos National Laborato... - Thallium (12570 bytes)
56: ... </td><td>5.33 [[micro|µ]][[Pascal|Pa]] at 577 K</td></tr>
121: ...84 to 210. Tl–203 and Tl–205 are the only stable isotopes and Tl–204 is the most sta...
135: *[http://periodic.lanl.gov/elements/81.html Los Alamos National Laborato... - Ecology (24417 bytes)
45: ...ive to the volume of the Earth, the biosphere is only the very thin surface layer which extends from 1...
51: ...ut of [[solar energy]]. Plants and photosynthetic microorganisms convert [[light]] into chemical energy b...
67: ...deadwood. A unit of smaller size is called a ''[[microecosystem]]''. For example, an ecosystem can be a...
78: * as ecosystems of inland waters, such as [[lentic ecosystem]]s (lakes, ...
99: ...ty, is a group of populations of plants, animals, micro-organisms. Each population is the result of [[pr... - Dentin (1223 bytes)
5: ...ies and their diameter ranges between 0.8 and 2.2 micrometres. Their length is dictated by the radius of ... - Africanized Bee (13350 bytes)
11: ...y a slightly shorter wing that may be determined only by examination of a large sample. They are desce...
22: ...an bees are present, and in the southern reaches only non-Africanized bees are found. As the Africaniz...
25: ...ized only by performing a statistical analysis on micro-measurements of a substantial sample. One problem...
32: ..., there was formerly no tradition of beekeeping, only bee robbing. When one wanted honey, one would se...
43: ...n origin. If the Africanization was attributable only (or even mostly) to the well known superior bree... - Puffer (5495 bytes)
41: ...lated [[porcupinefish]], which also have spines (unlike pufferfish).
47: ...r extent in the [[intestines]] and [[skin]], and only in small amounts in the [[muscle]]s and [[blood]...
51: ...nder of the body. In animal studies with mice, 8 µg tetrodotoxin per kilogram of [[body weight]] ki...
55: ... or close their eyes. (Some claim they are the ''only'' fish that can close its eyes, but certain atta... - Sedimentary rocks (7917 bytes)
8: .... Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form ...
10: ...ent only a thin veneer over a crust consisting mainly of igneous and metamorphic rocks.
28: ...med at lower temperatures. Igneous rocks are commonly attacked by water, particularly acid or alkaline...
47: ...his interaction is studied in the science of [[geomicrobiology]]. One measure of the shape of these part... - Biodiversity (11106 bytes)
10: ...ariety of life: the different plants, animals and micro-organisms, their genes and the ecosystems of whic...
33: ...ty of durable interactions among species. It not only applies to species, but also to their immediate ...
48: There are three main reasons commonly cited in the literature for the benefits of biod...
69: ...timated that of the 250,000 known plant species, only 5,000 have been researched for possible medical ... - Biofuel (7929 bytes)
1: ... manure from cows. It is a [[renewable energy]], unlike other [[natural resource]]s such as [[petroleu...
4: ...doesn't seem worth noting. --> [[Sweden]] and [[Finland]] supply 17% and 19% respectively, of their en...
100: ...atter or a switch to other alternatives such as [[micro-hydro power]]. - American Pit Bull Terrier (8642 bytes)
42: ...breeds all have nearly identical standards, with only the acceptable sizes and colors varying. Also, t...
48: ...also a good policy for owners to have their dog [[micro-chip]]ed where possible as this breed is often st...
54: ...rime and drugs; many people of ill repute mistakenly breed this dog for its fighting heritage and exp... - Solar cell (27643 bytes)
1: ...nction]] [[diode]], which, in the presence of [[sunlight]] is capable of generating usable [[electrica...
25: ... above approaches, self supporting wafers of ~300 micrometres thick are fabricated and then soldered toge...
47: ...ystalline structure of silicon; poly-crystalline, micro-crystalline, nano-crystalline etc, and these refe...
51: ...i atoms do. However, because group 13 atoms have only 3 valence electrons, and group 15 atoms have 5 v...
58: A photon only needs to have energy greater than the band gap e... - Cellulose (2147 bytes)
6: ...in 1838. It occurs naturally in almost pure form only in [[cotton]] fibre; in combination with [[ligni...
8: ...ellulose with the help of [[symbiosis|symbiotic]] micro-organisms - see [[methanogen]].
17: ...ose is a straight chain (no coiling occurs). In ''microfibrils'', the multiple hydroxide groups [[hydroge... - Hydroponics (15454 bytes)
7: ...at recirculate the water, and therefore requires only a small fraction of the water used in traditiona...
21: ...he optimum settings for most plants. This is commonly employed for large display plants in public buil...
23: ...images/Method4.jpg Example Image from HydroponicsOnline.com]
29: ...images/Method1.jpg Example Image from HydroponicsOnline.com]
37: ...nd oxygen onto the medium. The emitters are commonly set to run 5 to 10 minutes every hour.
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