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- Wind power (27669 bytes)
11: ...imple. The earth is not heated evenly by the sun. Not only do the poles receive less energy from the s...
19: ...). An 8 m/s breeze blowing through a 100 meter diameter rotor would move about 76,000 kilograms of air pe...
26: .... Energy is the Betz limit through a 100 meter diameter circle facing directly into the wind. Total energ...
28: ...ies, and an average value for a given location is not in itself a clear indication of the amount of en...
32: ...ts to fueled [[power plant]]s, it is important to note that 1000 kW of wind-turbine potential power wo... - Pterosaurs (10375 bytes)
2: ...[Image:Pteronodon2.jpg|250px]] | caption = A Pteronodon from a 1914 study — image <br/>
8: {{Taxobox_norank_entry | taxon = [[Reptile|Reptilia]]}}
16: ...a|archosaurs]], along with [[crocodiles]] and [[dinosaurs]] (and their descendants, the [[birds]]).
20: ...elieved that pterosaurs were [[aquatic]] animals, not flyers. In the [[19th century]] [[Baron Georges ...
22: ...at pterosaurs were adapted for active [[flight]], not just [[glide|gliding]] as was earlier believed. - Sauroposeidon (9157 bytes)
7: {{Taxobox_superordo_entry | taxon = [[Dinosaur|Dinosauria]]}}
17: The tallest [[dinosaur]] known, '''''Sauroposeidon''''' (meaning "[[earthquake...
23: ...etter candidates for the title "World's Largest Dinosaur", though weak [[fossil]] evidence makes an ex...
25: ...emely elongated, with the largest one about 1.2 [[meter]]s (4 [[feet]]) long, which makesit the longest o...
27: ...es from different individuals its proportions may not be totally accurate. Comparisons to the other br... - Roman economy (23678 bytes)
4: ... some silver in other [[Denomination (currency)|denomination]]s, either called [[Greek Imperial]] or [...
6: ...old [[solidus (coin)|solidus]] and small bronze denominations. This trend continued to the end of the ...
10: ...her than its precious metal content, so they were not [[bullion]]. Estimates of the value of the [[den...
12: ...e time of [[Sulla]] till the time of [[Augustus]] no bronze coins were minted at all; even during the ...
14: ...audius|Claudian]] bronzes that, although probably not authorized by Rome, appear to have been tolerate... - Motorcycle (40437 bytes)
25: ...his has been used all through bike history but is now becoming more common.
29: ...absence of a fairing or windshield, a phenomenon known as the ''windsock effect'' occurs at speeds abo...
35: A good motorcycle chassis has no stability problems.
39: * Capsizing is well known in low speeds, and easy to overcome by going a ...
41: ...ront wheel. It is often relatively harmless but annoying. It can appear at moderate speeds. - Igor Stravinsky (26622 bytes)
1: ...euvre included everything from symphonies to [[piano]] miniatures.
10: ... born in Oranienbaum (now [[Lomonosov, Russia|Lomonosov]]), near [[St. Petersburg, Russia]]. Brought u...
12: ...ntention was "<nowiki>[</nowiki>to send<nowiki>]</nowiki> them all to hell". (He succeeded: the 1913 ...
14: ...d itself in several of his Paris collaborations. Not only was he the principal composer for [[Sergei ...
17: ...ied his cousin [[Katerina Nossenko]], who he had known since early childhood, on [[23 January]] [[1906... - Pulse (music) (1707 bytes)
3: ...d create a pulse of a quarter note+dotted quarter note as its multiple level).
5: ...hose on faster levels, and [[nonsynchronous]], if not. - Solar cell (27643 bytes)
1: ... The field of research related to solar cells is known as [[photovoltaics]].
3: ...n [[inverter]] to the electricity grid in a [[net metering]] arrangement.
19: ... W/m². So a 10% efficient module of 1 square meter can power a 100 W light bulb. Costs and efficienc...
22: ...ut a substantial waste of refined silicon. Most monocrystalline panels have uncovered gaps at the corn...
23: ...s that cover a greater fraction of a panel than monocrystalline cells, and this compensates for their ... - Hydroponics (15454 bytes)
3: ...into a plant's water supply artificially, soil is no longer required for the plant to thrive. Almost ...
7: ...till, and plants can be placed very close to one another. This allows a large amount of food to be pr...
9: ... [[marijuana]] growers use hydroponics, to escape notice by the police and to produce the finest quali...
13: ...achs and Knop grew plants in simple solutions of inorganic salts.
15: ... water (from the Greek ''hydros'', water, and ''ponos'', labour). - Weed control (16617 bytes)
5: ...ge our definition to ''a plant whose virtues have not yet been discovered''.
8: ...eds, therefore, have a distinct advantage, and if not removed, the crop is likely to be lost. Broad be...
10: ...en]] (''Chenopodium album'') can have the most pronounced effects on adjacent crops, although seedling...
12: The presence of weeds does not necessarily mean that they are competing with a ...
13: ...ound kept clean all the time."'' (''The Complete Know And Grow Vegetables'', Bleasdale, Salter and oth... - Grouper (3548 bytes)
4: ... have common names involving the word "grouper". Nonetheless, the word "groupers" on its own is usual...
6: ...ow prey rather than biting pieces off it. They do not have many teeth on the edges of their jaws, but ...
8: ... [[fishing|sea-angling]]. Some species are small enough to be kept in [[aquarium|aquaria]], though eve...
10: ... grow that big more often because it needs a big enough shelter to hide from attack by [[sharks]], and... - Electric field (1958 bytes)
1: ...ectric field are newtons per coulomb or volts per meter (both are equivalent). Electric fields are compos... - Mobile phone (30513 bytes)
2: ...'''mobile phone''' is a device which behaves as a normal
5: ...c Switched Telephone Network|telephone network]], normally by
10: ...[[Qualcomm]]), [[LG (Korea)|LG]], [[Motorola]], [[Nokia]], [[Panasonic]] (Matsushita Electric), [[Phil...
16: ...[fixed telephony]]. Such networks can often be economic, even with a small customer base, as mobile ne...
18: ... to make to a mobile, but are free to receive) cannot be used, and as a result users pay to receive ca...
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