Boink, Boink

From the April Notices of the
American Mathematical Society:

Mathematics and Philosophy, AMS Notices, April 2007

From Log24
on March 15 last year,
the annual pie-eating
contest of the Harvard
Mathematics Department
on Pi Day:

Etiquette at Harvard

From Log24 yesterday:

Quotation for Pi Day: Boink, Boink

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for further details.