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Roots of Unity

Roots of Unity

Mathematics: learning it, doing it, celebrating it.

Does 1+2+3... Really Equal -1/12?

A Numberphile video posted earlier this month claims that the sum of all the positive integers is -1/12. Is it true?

January 20, 2014 — Evelyn Lamb
Collective Nouns for Mathematicians

Collective Nouns for Mathematicians

Every once in a while I stumble on an interesting collective noun, usually for animals: a parliament of owls, a knot of toads, an exaltation of larks.

January 14, 2014 — Evelyn Lamb
Felix Klein on Mathematical Progress

Felix Klein on Mathematical Progress

I just finished reading a set of lectures the great mathematician Felix Klein delivered at the 1893 World’s Columbian Exposition in Chicago.

December 31, 2013 — Evelyn Lamb
Apply Now for an AAAS Mass Media Fellowship

Apply Now for an AAAS Mass Media Fellowship

I started writing about math and science in June 2012 thanks to an AAAS Mass Media Fellowship sponsored by the American Mathematical Society.

December 15, 2013 — Evelyn Lamb
Mathematics+Fatherhood: an Interview with Darren Glass

Mathematics+Fatherhood: an Interview with Darren Glass

Back in September, I published an interview with mathematician and mom Constance Leidy by mathematician and mom Lillian Pierce. It was part of a series of interviews for the Association for Women in Mathematics about how women balance motherhood with their mathematical careers...

December 9, 2013 — Evelyn Lamb
These Hypocycloids Will Make You Happy

These Hypocycloids Will Make You Happy

Unless you’re holding a baby or a scalpel, drop everything and read this blog post about hypocycloids by John Baez. (And if you’re holding a scalpel, please put away whatever device you’re reading this on and pay attention to your surgery!) In addition to a lovely exposition by Baez, the post features some gorgeous animations [...]..

December 4, 2013 — Evelyn Lamb

Counterexamples in Origami

Surfaces are complicated. Triangles are simple. That’s an idea behind some methods of creating computer graphics and some advanced mathematics.

November 30, 2013 — Evelyn Lamb
A Mathematical Thanksgiving Celebration

A Mathematical Thanksgiving Celebration

Last year, the inimitable Vi Hart made a Thanksgiving video series, describing how to imbue your holiday celebration with more mathematics.

November 27, 2013 — Evelyn Lamb

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