Monthly Archives: August 2011

One more time for lindens

Not the tree you want to find shelter under in a hurricane: Irene’s brutal wind toppled two century-old elm trees near Boston Common. It cracked a silver maple, the Arnold Arboretum’s tallest tree, planted in 1881. But more than anything, … Continue reading

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Sonobe puzzler 3: Mirror images?

This is the last of three puzzlers for the Sonobe lover. The first two are here and here; for partial background, see my earlier posts [1, 2, 3, gallery] on the Sonobe unit. I started building two icosahedra.  Here are … Continue reading

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“Poop and paddle”

My cousin Adam does a lot of very cool things.  His most recent project, a floating outhouse, was recently featured on NPR’s Science Friday — highly recommended!  Other random things I enjoyed recently: Bill Clinton’s post-presidential diet Alicia Boole Stott … Continue reading

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The Last Supper

Jesus and his disciples are gathered for the Last Supper. The Last Supper is a Seder, basically a big party, so everyone is sitting around, drinking, chatting, hanging out, whatever.  Suddenly, Jesus raises his hands and quiets everyone.  The disciples … Continue reading

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Sonobe puzzler 2: How many units?

This is the second of three puzzlers for the Sonobe lover.  The first is here; for partial background, see my earlier posts [1, 2, 3, gallery] on the Sonobe unit. Consider the following origami construction.  How many Sonobe units is … Continue reading

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Fresh tomato sauce

Last week D and I found ourselves at the farmer’s market at Harvard.  There were too many beautiful vegetables available to pass up, so we made ourselves a tasty tomato sauce.

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Sonobe puzzler 1: Name that shape!

This is the first of three puzzlers for the Sonobe lover.  (For partial background, see my earlier posts [1, 2, 3, gallery] on the Sonobe unit.) Here are two images of the same Sonobe construction.  What is the underlying geometry? … Continue reading

Posted in Math, Origami | 4 Comments