## Category: mathematics

Each year, the 14th of March is celebrated by scientifically-minded folks for two good reasons. First, it’s Einstein’s birthday (happy 135th, Albert!). Second, it’s Pi Day, because 3/14 is the closest calendrical approximation we have to the decimal expansion of pi, π =3.1415927…. Continue reading

I LOVE PI. No, not pie. Pi. The number. This crazy number shows up in all sorts of weird places. If you take the square root of the gravitational field (*g *= 9.8 N/kg) you approximately get pi. Place a mass on a spring and let it oscillate? Yup, you get pi. Pi also one of the 5 super numbersin this magical equation: Continue reading

Top women in mathematics and physics discuss how they got to where they are — and why there aren’t more of them. Continue reading

*Quanta Magazine* invites readers to share about their early math and science learning experiences and to explore the interactive survey results.

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Creator of Mathematica and *A New Kind of Science* remains confident that he can transform science and other realms of knowledge Continue reading

My personal favourite is known as the tank problem. It can be phrased as such:You are working for the intelligence services in World War 2. A number of German tanks have been captured – with serial numbers 19, 40, 42 and 60. Assuming the numbers are assigned uniformly (no double numbering, no missed numbers) – how many tanks do the Germans have? Continue reading