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Happy Pi Day (3.14) Domino Spiral

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. Can you spot the 2 hidden references to 3.14? TWITTER: http://www.twitter.com/flippycat FACEBOOK: http://www.facebook.com/flippycat Extras and full fall down in real time can be seen here: http://www.youtube.com/watch?v=sbuM-XRCmkg This music in this video is by Joseph Stern: http://www.youtube.com/ibejoestern http://twitter.com/josephstern The world record for a domino spiral is 30,000: http://www.youtube.com/watch?v=_1x99bOX7Yo Previous record was: http://www.youtube.com/watch?v=iiN4d5nieNo

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