Integers are real numbers that can be expressed without a fraction or decimal. Real numbers are part of the complex numbers, which include the imaginary numbers. The square root of a negative number is called an imaginary number. The natural…
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Solving a linear system is to find a point where two linear question intercept, there are two methods; one by substitution and one by elimination, so which method proves to be the more efficient and more easily done in a…
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January 26, 2015 Physical Science
You might commence a search for Aires by examining the astrological column of your newspaper. Here, you should find Aires listed first among the twelve signs of the Zodiac. In astrology, Aires represents supposed characteristics of people born between March…
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January 25, 2015 Physical Science
Blue Moon Legends And Myths There are legends about the Moon in every culture, but one legend in particular is very mysterious. For example, have you ever wondered what a ‘Blue Moon’ Is? Blue Moon legends abound, and have been…
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Henri Poincaré (French mathematician, 1854 – 1912) posed the question in 1904 whether any three dimensional surface with a few specific properties was in some mathematical sense equivalent to the three dimensional sphere. Poincaré’s famous conjecture is an excellent example…
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Definition of terms is the first step in communication. “Zero,” “multiply,” “possibility” are all terms, fraught with myriad layers of meaning in a world in which the highest level of maturity is defined as not taking a position on…
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Lying between Africa and Asia, the Red Sea is a protected ecosystem belonging to the Global 200 ecoregions named by the World Wildlife Fund (WWF). It encompasses around 2000 km of coral reefs, which contributes immensely towards its diverse ecosystem. According…
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January 25, 2015 Physical Science
“One step for man.” And the first man to take that step , from the Apollo ladder onto the dusty surface of the moon was the one and only Neil Armstrong, his name recognisable throughout the world. Born in Ohio…
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January 25, 2015 Physical Science
Many civilizations have venerated the Sun since ancient times. Myths slowly evolved to explain the presence of the powerful entity that appeared to control the cycles of night and day, the seasons and the weather. Each legend offers its own…
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There are two main categories of sea shells: gastropods and bivalves. Gastropods have one shell and the creatures that live inside them are slug-like. These shells do not have hinges. The bivalves have hinges and look like identical halves. People…
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