Uploaded March 2011 | Updated September 2026, 2 weeks ago

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Can you spot the 2 hidden references to 3.14?
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Happy Pi Day, or Half Tau Day...to mark the day, I've made my biggest spiral yet...and using a formula with Pi, I estimated the total dominos in this spiral to be 10178.75 dominos. I counted the dominos and the estimate was close. 10,059 dominos were actually used.

Extras and full fall down in real time can be seen here:
youtube.com/watch?v=sbuM-XRCmkg

This music in this video is by Joseph Stern:
youtube.com/ibejoestern
twitter.com/josephstern