Happy Pi Day: How pie, Einstein and Stephen Hawking connect
National Pi Day declared in 2009
Whether you like pie, pizza or just a big fan or Babylonian equation – it's Pi Day!
Besides a day to eat and celebrate, today is also Einstein's birthday (he'd be turning 138 years old) and today marks the one year anniversary of death of Stephan Hawkins and Google announced they were able to compute Pi to 31.4 trillion decimal places, setting a new Guinness World Record Thursday morning.
Tomorrow, March 14, is Pi Day! 🥧 Celebrate with us and #UVic Food at a Pie Pop Up Shop, where we'll be giving away 314 pieces of FREE PIE at 1:59 pm by the Petch Fountain! #piday #UVicScience @UVic pic.twitter.com/idN1ZBNHqj
– UVic Science (@UVicScience) March 13, 2019
Pi (π) was first used approximately 4,000 years ago by the ancient Babylonians to calculate the circumference of a circle to its diameter, the symbol was introduced in 1706 by mathematical William Jones and made more popular by Swiss mathematical Leonhard Euler 30 years later. The number can go on forever but is usually rounded to 3.14.
The number was first connected to March 14 by former physicist Larry Shaw in 1988 at the Exploratorium Museum in San Francisco, celebrating with fruit pie and tea. Shaw led parades every year until his passing in 2017. In 2009, the House of Representatives in the U.S. passed a resolution marking March 14 as national Pi Day.
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