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- ...f the star. Eventually, this energy will work its way out of to the edges of the star, and will escape as light. The star eventually runs out of hydrogen to "burn" in its center, and, if the temperature and pressure are ...2 KB (412 words) - 04:03, 13 September 2007
- This page gives some examples of where simple separable variable DEs are found in the world around us. The classic real world example of differential equations is the relationship between acceleration, velocity, ...5 KB (911 words) - 04:28, 12 June 2007
- ...real number that can be written as the ratio of two integers, i.e., it is of the form ...number that cannot be written as a ratio of two integers, i.e., it is not of the form ...3 KB (483 words) - 10:33, 22 December 2007
- ...ower of 2 to a generic n. Fermat wrote in note in the book the enunciation of his famous theorem and then added:</p> :<b>[I have discovered a truly marvellous proof of this, which however the margin is not large enough to contain.]</b> ...3 KB (451 words) - 13:01, 18 August 2007
- ...ption of oxygen from the air leading to [[asphyxia]]. The primary cause of death is hypoxia and acidosis leading to cardiac arrest. ...o serious secondary complications, including death, after the event. Cases of near drowning are often given attention by medical professionals. ...23 KB (3,594 words) - 22:08, 9 July 2007
- The universe consists of millions of stars, which are grouped together as galaxies.[[Image: NGC_4414_(NASA-med). ...nt hydrogen fusion reactors, producing huge amounts of energy for millions of years. ...12 KB (2,003 words) - 14:06, 27 January 2008
- Light is that range of electromagnetic energy that is visible to the human eye, the visible colors ...optical radiation includes not only the visible range, but a broader range of invisible electromagnetic radiation that ...4 KB (812 words) - 13:29, 4 October 2007
- ...en into two parts: a summation over weighted inputs and an output function of the sum. .... This law, later known as Hebbian Learning in honor of Donald Hebb is one of the simplest and most straight-forward learning rules for artificial neural ...4 KB (603 words) - 16:46, 29 October 2007
- ...he nucleus experiences the intense struggle between the electric repulsion of protons and nuclear attraction of the nucleons to each other. It therefore should not be surprising that ther ...13 KB (2,039 words) - 08:55, 28 June 2006
- ===The Properties of Graphs=== The equations can be more complex than this including higher powers of <math>x</math> ...9 KB (1,436 words) - 20:27, 21 September 2007
- You can find a class near you using one of the following web sites: ...lower fees. Contact your Pathfinder Area Coordinator to see if they know of any Pathfinder staff within your conference who are qualified to offer this ...7 KB (1,066 words) - 00:48, 6 December 2007
- ==1. List ten benefits of being physically fit.== ...ant for avoiding heart disease and clogged arteries (which can cause early death). Exercise also consumes calories, which helps control weight. When exerc ...11 KB (1,844 words) - 14:49, 8 November 2007
- ==Change of Variables== ...statement of the millennium), let's look at heat transfer now for the sake of variety. ...16 KB (2,915 words) - 15:07, 1 November 2007
- It has actually been known for a substantial fraction of the class to iii) In the theory of light <math>\omega</math> is used for frequency and <math>t</math> not surp ...13 KB (2,148 words) - 20:26, 21 September 2007
- * There are 2 types of flow : Each cycle consists of 2 parts: ...12 KB (2,011 words) - 13:59, 12 July 2006
- ...t rail, or for any road project, but would not be appropriate (at the time of this writing) for something truly radical like teleportation. ...g, so there a project may produce benefits both to existing users in terms of a reduction in cost and to new users by making travel worthwhile where prev ...18 KB (2,779 words) - 22:53, 6 March 2008
- :*Gain insight into the size of unknown variables, such as velocity or temperature, before (even without) a :*Reduce dependence of the solution on physical parameters. ...25 KB (4,273 words) - 04:01, 20 September 2007
- ...e compromised by the HIV. Other indicators which may favour the prevelance of TB are bad alimentation, insufficient hygienic circumstances combined with ...nce of tuberculosis and certain factors have to be quantified by the means of statistical methods, which are carried out with statistical software. ...41 KB (5,429 words) - 02:33, 30 June 2007
- Evolution: Any change in allele frequency in a population, the result of natural selection. ...genotype reproduces more successfully than another and donates more copies of itself to the next generation. This means that allele frequencies change wi ...33 KB (5,036 words) - 19:21, 7 September 2007
- A branch of science that deals with matter, energy, motion, charge, and force. ...ol of physics is mathematics. You can think of Mathematics as the language of physics. ...37 KB (6,440 words) - 02:02, 8 March 2008