Prime numbered cicadas
30 April 2013 
The 17-year cicada is due to emerge in north-eastern parts of USA in Spring 2013.
Archive for the ‘Environment’ Category
How do noise canceling headphones work?
12 November 2012 
How can we enjoy music while traveling on noisy public transport? What is the math behind noise canceling headphones?
Modeling fish stocks
28 May 2012
How can we use math to save collapsing fish stocks? Mathematical modeling is the key.
Friday math movie: Carlo Ratti Architecture that senses and responds
27 January 2012
This video shows how we can improve our lives using sensing data.
7 billion people next week
26 October 2011
There will soon be 7 billion of us.
Singapore’s food vulnerability
16 October 2011
Today is World Food Day. Here’s how one country plans to improve its precarious food situation.
13 yr-old designs efficient solar collectors using Fibonacci sequence and trees
1 September 2011
Here’s a useful discovery by a 13 yr-old, using math and good observation skills.
Friday math movie: How algorithms shape our world
12 August 2011
Done a Google search today? You’ve used an algorithm that is helping to change the world.
Visual.ly data visualization
18 July 2011
Visual.ly is a neat new data visualization tool. Worth a look, but it has some downsides.
Friday Math Movie – New wind turbine design
14 May 2010
Here’s a more efficient, and better looking wind turbine generator.
