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Roots of Unity

Roots of Unity

Mathematics: learning it, doing it, celebrating it.

The Slowest Way to Draw a Lute

Last month, I went to a talk by mathematician Annalisa Crannell of Franklin and Marshall College called Math and Art: the good, the bad, and the pretty.

April 7, 2014 — Evelyn Lamb
What T.S. Eliot Told Me about the Chain Rule

What T.S. Eliot Told Me about the Chain Rule

“We shall not cease from exploration And the end of all our exploring Will be to arrive where we started And know the place for the first time.” --from Little Gidding by T.S...

March 21, 2014 — Evelyn Lamb

A Different Pi for Pi Day

Tired of the circle constant? The prime counting function π(x) is an alternative way to celebrate everyone's favorite Greek letter that sounds like a dessert.

March 14, 2014 — Evelyn Lamb

The Math Wars, Lewis Carroll Style

In 1879, Charles Dodgson, better known as Lewis Carroll, published an odd little book called Euclid and his Modern Rivals (available for free at the Internet Archive).

March 4, 2014 — Evelyn Lamb

Chasing the Parallel Postulate

The parallel postulate is a stubborn wrinkle in a sheet: you can try to smooth it out, but it never really goes away

February 28, 2014 — Evelyn Lamb
Hyperbolic Quotes about Hyperbolic Geometry

Hyperbolic Quotes about Hyperbolic Geometry

“The treatise itself, therefore, contains only twenty-four pagesthe most extraordinary two dozen pages in the whole history of thought!” “How different with BolyaiJnos and Lobachvski, who claimed at once, unflinchingly, that their discovery marked an epoch in human thought so momentous as to be unsurpassed by anything recorded in the history of philosophy or of [...]..

February 12, 2014 — Evelyn Lamb

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