Today, Google homepages across the world are featuring something delectable and irrational at the same time.
Pi Day honours the first 3 digits of this infinite figure, 3.14.
Google Doodle celebrates the 30th anniversary of pi. The Greek letter π (pi) represents the ratio between a circle's circumference and its diameter, which is the same for every circle.
Using actual pies, the award-winning pastry chef will be featured on the search engine's site as its "doodle" to mark the occasion. Interestingly, Albert Einstein's birth anniversary falls on March 14, which is also celebrated at Princeton by organising an annual Einstein look-alike contest.
Pi is a fundamental element of many mathematical fields, but most significantly Geometry. It's an important part of the foundation of mathematics, most importantly geometry, where it is key to equations calculating the area of a circle, A = πr2, and the volume of a cylinder, V = πr2h. Though modern mathematicians have calculated more than one TRILLION decimal places beyond the standard "3.14", pi is an irrational number that continues on to infinity.
March 14 is also written as 3.14 (March = 3 and day = 14) - hence, March 14 is Pi Day! This year, NASA has come up with a mathematical challenge called "Pie In The Sky", which poses different questions that need to be solved by using Pi. The topics this year include calculations for Martian earthquakes, helium rain on Jupiter, and the rotation rate of the first interstellar visitor ever discovered, asteroid 'Oumuamua. Google has listed all the ingredients, along with a behind-the-scenes of today's doodle.
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