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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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Here’s an interactive graph where you can investigate some important trigonometric identities.
Posted in Computers & Internet, Learning, Mathematics | 2 Comments »
This is a really interesting mind experiment. You may even find yourself re-thinking your concept of infinity.
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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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MathGraph32 is a great free tool for exploring 2D and 3D math concepts.
Posted in Computers & Internet, Learning, Mathematics | 8 Comments »
The 17-year cicada is due to emerge in north-eastern parts of USA in Spring 2013.
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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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This is a classic late-1950s cartoon where Donald learns where math comes from.
Posted in Learning, Math movies, Mathematics | 5 Comments »
Can you count faster than a chimp? Our number sense begins with our ability to count.
Posted in Computers & Internet, Learning, Mathematics | 4 Comments »
See this PBS documentary about the development of fractals and how they are used in computer graphics.
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