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Volume 4, Issue 10, April 2013

About the Cover

Leonardo da Vinci 561st Birthday
Leonardo da Vinci was born on April 15, 1452, in Vinci, Italy. He was concerned with the laws of science and nature, which greatly informed his work as a painter, sculptor, inventor and draftsmen. His ideas and body of work includes: Virgin of the Rocks, The Last Supper, Leda and the Swan and Mona Lisa -- have influenced countless artists and made da Vinci a leading light of the Italian Renaissance. At the age of 14, da Vinci began apprenticing with the artist Verrocchio. For six years, he learned a wide breadth of technical skills, including metalworking, leather arts, carpentry, drawing and sculpting. By the age of 20, he had qualified as a master artist in the Guild of Saint Luke and established his own workshop. Da Vinci's most well-known painting, and arguably the most famous painting in the world, the "Mona Lisa," was a privately commissioned work and was completed sometime between 1505 and 1507. Of the painting's wide appeal, James Beck, an art historian at Columbia University, once explained, "It is the inherent spirituality of the human creature that Leonardo was able to in genuine to the picture that raises the human figure to some kind of majesty." Today, the "Mona Lisa" hangs in the Louvre Museum in Paris, France, secured behind bulletproof glass, and is regarded as a priceless national treasure.

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DISCOVERY OF THE MONTH

Uranus: Discovery of the Seventh Planet in Sun family, April 26, 1781

Jegatheesan R

Uranus is the 7th world from the Sun. It has the third-largest planetary distance and fourth-largest planetary huge in the Solar Program. Uranus is identical in structure to Neptune, and both are of different substance structure than the bigger gas leaders Jupiter and Saturn. Because of this, astronomers sometimes position them in a individual classification known as "ice giants".

Discovery, 2013, 4(10), 3-4

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LETTER

Bharat radiation and UV dominant optical radiation emissions discovered from radioisotopes and XRF (X-ray fluorescent) sources

Padmanabha Rao MA

In 1896, Antoine Henri Becquerel discovered the phenomenon of natural radioactivity from potassium uranyl sulfate salt. When the salt was subjected to magnetic field, the radiation he detected has negative, positive, and electrically neutral charges. Marie Curie termed 'radioactivity' to the phenomenon of these new emissions.

Discovery, 2013, 4(10), 05-09

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COMMUNICATION

A study of sources and mechanisms leading to empowerment ISSN 2278 of women living in certain slum areas of New Delhi, India

Pratibha J.Mishra

The definitions and approaches for measuring and assessing women’s empowerment manifest complex paradigm shifts over the years. Since 1950 until the “Decade of Women” (1975-1985), the welfare approach predominated. After this, women’s development has been conceptualized by equity, empowerment and rights-based approaches.

Discovery, 2013, 4(10), 10-12

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METHODS

A new method to distinguish patterns of lasiked eyes

Payam Porkar, Mehdi Gheisari

These days intelligent systems have variety of usages in classifying complicated patterns in medics, industry and other fields. Problems as local minimums and etc. In these systems have made them less practical, likewise statistical methods are used to real execution. This article is a real task deals with eye bank and based on it we can determine on the quality of offered corneals.

Discovery, 2013, 4(10), 13-15

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Enhanced methods of calculation in real quadratic fields on unit norm

Renganathan K

In particular, a great amount of effort has been expended on the simplest algebraic extensions of the rationales’ quadratic fields. These are intimately linked to binary quadratic forms and have proven to be a good testing ground for algebraic number theorists because, although computing with ideals and field elements is relatively easy, there are still many unsolved and difficult problems remaining.

Discovery, 2013, 4(10), 16-18

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ANALYSIS

Length frequency analysis of the great clam, Meretrix Meretrix along south west coast of Maharshtra, India

Sawant PP, Mohite SA

Vast beds of the venerid clam, Meretrix meretrix, known as the “great clam”, are found along the south west coast of Maharashtra. Though this clam is harvested on a subsistence level, it supports a good fishery. The continuous exploitation is exerting a pressure on this clam. During the present work, the clam stock was studied on the basis of length frequency analysis using ELEFAN – II software of FAO.

Discovery, 2013, 4(10), 19-21

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RESEARCH

Observations on the hyberbola ax2 - (a+1) y2 =3a-1

Vidhyalakshmi S, Gopalan MA, kavitha A

Knowing an integral point on the hyperbola ax2  (a 1) y2  3a 1 a process of generating sequence of integral points based on the known solution of the hyperbola is illustrated. A few interesting properties among the solutions are presented.

Discovery, 2013, 4(10), 22-24

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