Fourier Series interactive graph

17 December 2012

Fourier Series graph interactive
Here’s an interactive graph that allows you to explore the concepts behind the Fourier Series.

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Friday math movie: The mathematics of history

7 December 2012

Math of history
What’s the connection between verbs, math and hip hop?

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Friday math movie: Science is for everyone, kids included

30 November 2012

Science is for everyone
Meet 12-year-old Amy O’Toole presenting a scientific paper that starts, “Once upon a time…”

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Roller Door problem

28 November 2012

roller door
Here’s a real-life application of calculus posed by a roller door engineer.

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Online math education for Ajab, Gujarat

26 November 2012

Ajab map
Students in Ajab village, India, enjoying a math lesson via Web conference from the US.

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Friday math movie: How things in nature tend to sync up

23 November 2012

natural synching
Steven Strogatz talks about how flocking behavior naturally occurs – and some mathematical reasons for it.

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Derivative graphs interactive

21 November 2012

graphs of derivatives - interactive
Calculus can be a bit of a mystery at first. Explore these graphs to get a better idea of what differentiation means.

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Volume of a pendant

19 November 2012

volume of pendant
A reader asked how to find the volume of a pendant-shaped container. We need volume of solid of revolution.

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How do noise canceling headphones work?

12 November 2012

noise canceling
How can we enjoy music while traveling on noisy public transport? What is the math behind noise canceling headphones?

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Math-inspired Halloween Pumpkin

28 October 2012

Math-based Halloween pumpkin
Here’s a neat mathematically-generated Halloween pumpkin, developed using Mathematica. You can manipulate it using the supplied CDF document.

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