Some people denote today as "Pi Day" day. This is based on the fact that today's date (3/14) represents the first digits in the numerical representation of the (inexact, surrogate) fraction 22 over 7, commonly denoted as "Pi" by Greek mathematicians. We all learned that Pi represents the ratio of a circle's circumference to it's diameter, a number approximately equal to 3.14.
Adding to the day's scientific feel is the fact that Albert Einstein, the first scientist to reach rock star celebrity status, was born on this day in 1879.
For my part, I will contribute to the minor celebrations by sharing this minimalist artist representation of his likeness. The image is from Noma Bar, her collection of such images is worth browsing.
For those of you who favor the arts over the sciences, your day is tomorrow: the ides of March. Imaginary readers who taught English in the Knox area will appreciate this.
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