30 July 2015

YouTube engineers faced a problem as the number of views for Gangnam Style approached 2 billion. I found related issues when developing the Newton's Method graph.

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Posted in Computers & Internet **|**

Tags: Culture

30 July 2015

I added a new interactive graph that helps explain how Newton's Method works. Newton's Method uses differentiation to solve non-linear equations and is especially useful when we can't factor the equation. It's very commonly used by computers when solving math-based problems.

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Posted in Computers & Internet **|** 2 Comments »

Tags: Interactive

29 June 2015

How many ancestors do you have? We all have 2 parents, 4 grandparents and 8 great grandparents. But does this go on forever?

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Posted in Mathematics **|** One Comment »

Tags: Culture, Graphs, Real-world math

13 May 2015

How do we find the length of a spherical spiral, with equidistant spirals? Here's the solution to this interesting reader's question.

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Posted in Mathematics **|** 2 Comments »

Tags: Culture, Graphs, Real-world math, Technology

28 April 2015

The Information Paradox is an interesting challenge to the accepted notions of how life on Earth came to be. There's some mathematics involved, too!

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Posted in Mathematics **|** 2 Comments »

Tags: Graphs, Reviews, Thinking & learning

8 April 2015

There's some interesting mathematics behind hyperbolic discounting, a behavioral finance concept. Here's how it compares to exponential discounting.

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Posted in Mathematics **|** 8 Comments »

Tags: Graphs, Real-world math, Technology

9 March 2015

An updated spring applet uses Runge-Kutta Order 4 Method for solving a differential equation numerically.

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Posted in Mathematics **|**

Tags: Graphs, Interactive, Technology

19 February 2015

GeoGebra impresses with its versatility, ease of use and power, and now has 3D graphs. It's a great exploratory tool for math students and instructors.

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Posted in Mathematics **|** 2 Comments »

Tags: Graphs, Interactive, Technology

30 January 2015

Here's a 3-minute summary of 10 mathematical equations that "changed the world".

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Posted in Math movies **|**

10 December 2014

There were solar powered engines long before oil-based ones. Here's a story about French mathematics teacher Augustin Mouchot, who invented one.

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Posted in Environmental math **|** One Comment »