Category Archives: geometry

Mathematical Spirals

Posted on April 28, 2013 by

The equations of the basic spirals are given in polar coordinates. The is the radius and is the angle measured from the positive horizontal axis.The and are constants. Archimedes Spiral http://mathworld.wolfram.com/ArchimedesSpiral.html Fermat Spiral http://mathworld.wolfram.com/FermatsSpiral.html Logarithmic Spiral http://mathworld.wolfram.com/LogarithmicSpiral.html Golden Spiral The … Continue reading →

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Three-Leaved Rose

Posted on April 24, 2013 by

Simple is beautiful. This universal principle is valid in mathematics and geometry too! Equation for three-leaved-rose (trifolium) in polar coordinates is r = a cos (3θ ) where “a” is a constant and the angle θ is measured from the … Continue reading →

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Phase enables relativity

Posted on December 16, 2012 by

Physicists are experts at assigning new meanings to the terms established in common language. I mentioned the term “dual” or “duality” before. In common language dual means two. In physics dual means equivalent. Physicists use the word “phase” in different … Continue reading →

Posted in geometry, mathematics, physics, science, tutorial

Platonic Solids Revisited

Posted on September 2, 2012 by

I will not talk about Sacred Geometry. This is a tutorial on geometry. I guarantee that if you read this tutorial you will learn at least one fun fact that you did not know before. How many 3-dimensional geometric objects … Continue reading →

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Essays by Suresh Emre

Posted on May 15, 2012 by

A new synthesis of Spiritual Philosophy is presented in Definitions and Summary of Soul Monism I volunteer for the Renaissance Universal (RU) movement. A Vision for a Universal Renaissance. The complete list of my articles is given in http://sureshemre.wordpress.com/index/  

Posted in archetypes, books, collection, Edge series, geometry, geophysics, history, inspiring metaphors, Intuitional Science, list, literature, mathematics, metaphysics, mythology, philosophy, physics, poetry, prediction, science, society, spiritual philosophy, spiritual practice, spirituality, sufism, tutorial, yoga

Dini’s Surface (geometry)

Posted on April 14, 2012 by

A surface of constant negative curvature obtained by twisting a pseudosphere is known as the Dini’s Surface. It is named after Ulisse Dini. The parametric equations are: x = a cos(u) sin(v) y = a sin(u) sin(v) z = a{cos(v) + … Continue reading →

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