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Cognitive Reflection Test -- Math Competition

Daniel Kahneman, as a psychologist, who won an economics Nobel Prize. In Thinking, Fast and Slow, Kahneman wrestles with flawed ideas about decision making.

Vitruvian Man: da Vinci's study of body proportions

Leonardo da Vinci said, “Man is the model of the world.” The Vitruvian Man by da Vinci is a study of the proportions present in the human body. The Golden Ratio or Divine Proportion is ubiquitous throughout the Vitruvian Man.

Golden Ratio from Fibonacci Sequence and Random Numbers; also SuperNacci Numbers

The Golden Ratio (also known as the Golden Mean  and the Divine Ratio), in my opinion is more significant that the otherwise known Most Important Number — Pi.

Fibonacci Sequence to 72nd term and Multiplication Fibonacci Powers

Fibonacci de Pisa was the most influential 12th century western mathematician. His father was an important Italian merchant or trader of goods. On a trip to Egypt around 1200AD, Fibonacci was introduced to Arabic numerals (0,1,2,3,4,5,6,7,8,9….) formerly unknown to Europe where the system of numbers were Roman (I,II,III,IV,V,VI,VII,VIII,IX,X…..).

Relative Size of Continents to Scale: Mercator vs. Peters Projection Map

After exploring the relative sizes of the planets in our solar system last week, we explored another key geographical misconception. The current map of the seven continents on planet Earth was created by an Euro-centric Flemish cartographer named Gerardus Mercator in 1569.