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- History of philosophy (13862 bytes)
1: ...premise]]s and approaches, examples of which include [[rationalism]] (through [[logic]]), [[empiricism...
7: ...odern" is a word with more varied use, which includes everything from [[Post-Medieval]] through the sp...
10: ...ents were [[Anaximenes of Miletus]] and [[Anaximander]] ("All is air").
12: ... parts), the [[Eleatic School|Eleatics]] [[Parmenides]] and [[Zeno of Elea|Zeno]] (All is One and chan...
14: ... the subjects and methods of debate became highly developed. - Moth (5332 bytes)
10: ...y related to the [[butterfly]]. Both are of the order [[Lepidoptera]].
19: [[Image:IL_240E_moth.jpg|thumb|Moth image provided by [http://classroomclipart.com Classroom Clip A...
22: ...ne]] (the chemical used in [[mothball]]s) is considered more effective, but there are concerns over it...
24: ...turdy and usually require larger amount of pesticide to kill them than mosquitos or flies.
26: ...w silk, worth about 250 million US dollars worldwide. <!--http://www.indiansilk.kar.nic.in/csb/Statist... - Aviation history (39698 bytes)
3: ...[The Bible]]. Nevertheless, it exemplifies man's desire to fly.
5: ...rping the planes' wings ([[Wright brothers]]). Modern planes are controlled by [[computer]]s, which c...
13: ...ms how successful these were. See [[First flying machine]] for a review of such claims.
15: ... also sketched designs for a helicopter, but this design would not have flown.
17: ... for powered flight until the [[gasoline]] engine designed by the Wright Brothers. - Isaac Newton (23339 bytes)
2: ...fried Leibniz|Gottfried Wilhelm Leibniz]] for the development of differential [[calculus]]. While they...
4: ...a prism was inherent in the white light and not added by the prism as [[Roger Bacon]] had claimed in t...
6: ...ped a [[Newton's law of cooling|law of cooling]], describing the rate of cooling of objects when expos...
12: ...ief biography of Newton's early life. For more in-depth information, see [[Isaac Newton's early life a...
14: ... said that his body at that time can even fit inside a quart mug. His father had died three months bef... - Pressure (9004 bytes)
12: Often ''F'' is taken to be the magnitude of the mean vector force normal to the surface of...
14: The [[gradient]] of pressure is [[force density]].
23: ...t. Pressure acts in all directions at a point inside a gas. At the surface of a gas, the pressure forc...
30: *''[[rho|ρ]]'' (rho) is the [[density]] of the fluid
36: ...atic and stagnation pressure are related by the [[Mach number]] of the fluid. In addition, there can be ... - Apple Macintosh (24250 bytes)
7: ...29, 2005. The next version, [[Mac OS X 10.5]], codenamed "Leopard", is scheduled to be released at th...
12: ...etc. This metaphor is sometimes called the WIMP model for '''W'''indows, '''I'''cons, '''M'''enus, '''...
13: ...e of a [[Computer mouse|mouse]] or other pointing device in personal computing.
14: ...rag" behaviors to perform actions with a pointing device.
19: * Aesthetic and ergonomic industrial "All in One" design that reduced clutter. - List of philosophers (79981 bytes)
23: *[[Adelard of Bath]], (12th century){{fn|C}}
26: *[[Aedesius]], (d. 355)
27: *[[Aenesidemus]], (1st century BC){{fn|R}}
37: *[[Alain de Lille]], (c. 1128-1202)
44: *[[Alcibiades]], (c. 450-404 BC) - History of chemistry (8174 bytes)
3: ...|thumb|150px|left|Chemistry Clipart .Clipart provided by
6: ==The vitalism debate and organic chemistry==
8: ...], and other synthetic [[dye]]s, as well as the widely used drug [[aspirin]]. The discovery also contr...
12: ...planation of [[Brownian motion]] in the first decade of the [[20th century]].
14: ... the atom as a branch of [[physics]], but was awarded the [[Nobel Prize]] in chemistry, not physics, f... - Propeller (12179 bytes)
1: ...sure from the forward and rear surfaces of the blades.
6: ... an inefficient angle, the inboard ends of the blade are subsumed into a streamlined spinner to reduce...
11: ...de the constant speed mechanism to reverse the blade pitch angle, and thus the thrust of the engine. ...
13: ...al to run an engine at an optimum constant independent of flight speed, setting separate requirements ...
15: ...lade is required to perform, limiting the local [[Mach number]] - a significant performance limit on pro... - Jet engine (22370 bytes)
1: ... the front of the engine (left of photo) prevents debris - or people - from being pulled into the engi...
4: ...ally ignited by flame in the eddy of a [[flame holder]], and burned as an atomized mixture. The [[comb...
6: ...(especially [[supersonic]] speeds) and high altitudes. On slower aircraft and those required to fly sh...
10: ...of peripheral fitted is dependent on the aircraft design application.
15: ...''', or simply '''jet''') engine, as subsequently developed, would become almost as revolutionary to a...
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