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Wednesday, March 14, 2007

 
Today's Highlights: Wednesday, March 14, 2007
 

Wednesday, March 14, 2007
Greek Letter Pi  
Greek Letter Pi
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Spotlight: The Greek letter π (pi) is the symbol for the number you get when you divide the circumference of a circle by its diameter; it can't be expressed as a fraction and it goes on forever. Equal to approximately 3.14, it's an irrational and transcendental number with an infinite, non-repeating decimal expansion. So far, it has been calculated out to over a trillion decimal places. We honor π today, on 3/14, Pi Day: some college math departments have parties or ceremonies discussing π and how it has affected our lives. Some celebrate by eating pie — pizza, fruit and otherwise, drinking piña colada and playing piñata. It's fitting that today is also Albert Einstein's birthday; he was born in 1879.
Quote: "If we knew what it was we were doing, it would not be called research, would it?" Albert Einstein
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