May 21, 2008
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Favorites, guests, Mathfactor Events, The Mathcast, Topology and geometry, toys and math products

Now, really, tell me, what good is a podcast if you can’t promote your beautiful new book?

We are very very pleased to announce the publication of The Symmetries of Things, a comprehensive, modern account of the mathematics of symmetry, complete with over 1000 illustrations!

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May 5, 2008
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Favorites, guests, numbers, The Mathcast

Neil Sloane of ATT Labs shares some his favorite integer sequences from his online encyclopedia!

Recaman’s Sequence is especially perplexing! Sloane asks: * does every number eventually appear?*

(No one yet knows the answer!)

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April 18, 2008
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Favorites, guests, math puzzles, The Mathcast

Mathematics writer Barry Cipra shows us Tag Deal, a simple but perplexing puzzle with cards.

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April 1, 2008
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Favorites, guests, The Mathcast, Topology and geometry

Frank Morgan of Williams College asks “What is the shape of a double bubble?”

photo: Jeff Bauer

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March 7, 2008
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Favorites, guests, math puzzles, The Mathcast, Topology and geometry

Prof Ed Burger of Williams College discusses the mathematics of proofs and puzzles, and a problem with his pants.

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February 4, 2008
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answers, Favorites, math puzzles, numbers, The Mathcast, Topology and geometry

In which we discuss mattress preservation, group theory, and the problem of the Wicked King.

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December 14, 2007
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Favorites, guests, The Mathcast

Robert Schneider, of The Apples In Stereo discusses his logarithmic tonal system and why he loves mathematics.

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June 25, 2007
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Favorites, game theory, guests, The Mathcast

Bill Poundstone, author of The Prisoner’s Dilemma, tells us some game theory lore, how to model an arms race, and lessons for the good life.

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May 27, 2007
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Favorites, guests, numbers, The Mathcast

John. H. Conway, one of the young men pictured above, tells us about his fabulous and simple method for rapidly calculating the day of the week.

With just a little practice, you too can Impress your friends (or drive them away) with this stupendous ability!

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