How to write a journal entry ppt

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How to write a journal entry ppt

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Mathematician Mark Barr proposed using the first letter in the name of Greek sculptor Phidiasphi, to symbolize the golden ratio.

The golden ratio has been claimed to have held a special fascination for at least 2, years, although without reliable evidence. Some of the greatest mathematical minds of all ages, from Pythagoras and Euclid in ancient Greecethrough the medieval Italian mathematician Leonardo of Pisa and the Renaissance astronomer Johannes Keplerto present-day scientific figures such as Oxford physicist Roger Penrosehave spent endless hours over this simple ratio and its properties.

But the fascination with the Golden Ratio is not confined just to mathematicians. Biologists, artists, musicians, historians, architects, psychologists, and even mystics have pondered and debated the basis of its ubiquity and appeal.

In fact, it is probably fair to say that the Golden Ratio has inspired thinkers of all disciplines like no other number in the history of mathematics. The division of a line into "extreme and mean ratio" the golden section is important in the geometry of regular pentagrams and pentagons.

A straight line is said to have been cut in extreme and mean ratio when, as the whole line is to the greater segment, so is the greater to the lesser. Plato — BCin his Timaeusdescribes five possible regular solids the Platonic solids: Luca Pacioli — defines the golden ratio as the "divine proportion" in his Divina Proportione.

how to write a journal entry ppt

Michael Maestlin — publishes the first known approximation of the inverse golden ratio as a decimal fraction. Johannes Kepler — proves that the golden ratio is the limit of the ratio of consecutive Fibonacci numbers, [22] and describes the golden ratio as a "precious jewel": Charles Bonnet — points out that in the spiral phyllotaxis of plants going clockwise and counter-clockwise were frequently two successive Fibonacci series.

Martin Ohm — is believed to be the first to use the term goldener Schnitt golden section to describe this ratio, in History of aesthetics preth-century and Mathematics and art De Divina Proportione, a three-volume work by Luca Pacioliwas published in Pacioli, a Franciscan friarwas known mostly as a mathematician, but he was also trained and keenly interested in art.

De Divina Proportione explored the mathematics of the golden ratio. For example, Midhat J. In the Elements BC the Greek mathematician merely regarded that number as an interesting irrational number, in connection with the middle and extreme ratios. Its occurrence in regular pentagons and decagons was duly observed, as well as in the dodecahedron a regular polyhedron whose twelve faces are regular pentagons.

It is indeed exemplary that the great Euclid, contrary to generations of mystics who followed, would soberly treat that number for what it is, without attaching to it other than its factual properties.

In fact, the entire story about the Greeks and golden ratio seems to be without foundation. The one thing we know for sure is that Euclid, in his famous textbook Elements, written around BC, showed how to calculate its value.

A geometrical analysis of earlier research into the Great Mosque of Kairouan reveals a consistent application of the golden ratio throughout the design, according to Boussora and Mazouz.

The authors note, however, that the areas where ratios close to the golden ratio were found are not part of the original construction, and theorize that these elements were added in a reconstruction.

The Swiss architect Le Corbusierfamous for his contributions to the modern international stylecentered his design philosophy on systems of harmony and proportion.

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And these rhythms are at the very root of human activities. They resound in man by an organic inevitability, the same fine inevitability which causes the tracing out of the Golden Section by children, old men, savages and the learned.

In addition to the golden ratio, Le Corbusier based the system on human measurementsFibonacci numbersand the double unit.The Agricultural Experience Tracker (AET) is a personalized online FFA Record Book System for tracking experiences in High School Agricultural Education courses.

Highlights Highlights are mandatory for this journal for the revised original article. They consist of a short collection of bullet points that convey the core findings of the article and should be submitted in a separate editable file in the online submission system.

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