# Archive for the ‘Travel & Culture’ Category

17 June 2014

What is the length of a spiral around a paraboloid? This is an interesting application of integral calculus, involving an environmentally friendly cooker design.

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Posted in Environment, Mathematics, Travel & Culture **|** No Comments »

10 January 2014

This reminds me of Spirograph images that brought art and geometry together, and always had an element of mystery to them.

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23 August 2013

This is an interesting story about how Africans used fractal ideas for their designs.

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26 July 2013

Here’s a great story involving an intriguing proof that spans over 350 years.

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12 July 2013

Here’s an important use of mathematics in the real world – navigation at sea. We learn about dead reckoning, sextants, clocks and new mathematics.

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28 June 2013

How do we compare pollution caused by different substances and give meaningful health advisories? Singapore’s current haze season gives an example.

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11 February 2013

Scientists used Jacob’s Staff during the Renaissance to find heights and distances, using trigonometry. It was a forerunner to the sextant.

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Posted in Mathematics, Travel & Culture **|** 2 Comments »

18 December 2012

Is Santa’s frantic dash around the world each Christmas Eve, even possible?

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Posted in Mathematics, Travel & Culture **|** 6 Comments »

7 December 2012

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

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Posted in Math movies, Mathematics, Travel & Culture **|** 2 Comments »

26 November 2012

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

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Posted in Computers & Internet, Learning, Mathematics, Travel & Culture **|** 7 Comments »